Detective Sergeant Peter Clarke told the inquest that Wright was a regular at the pub where the mother-of-three worked, and arranged to walk her home.
CCTV cameras caught them leaving and walking along Broadway in Thatcham, but then lost them.
Police and ambulance crews were called to the scene and found Ms Bowater unresponsive, and declared her dead at the scene after trying CPR.
However, their equipment then began to show signs of a heartbeat, and they decided to resume CPR and took her to Royal Berkshire Hospital.
Once there, doctors used a defibrillator three times, but she was declared dead at around 4.30am.
Coroner Peter Bedford heard from Home Office forensic pathologist Ashley Fegan-Earl that examinations found Ms Bowater suffered a serious head injury in the attack.
The pathologist said Ms Bowater also had a black eye, which suggested being hit by a blunt object, which could've been Wright's fist.
It was also confirmed she suffered bite marks, which were matched to Wright's dental records.
Ms Bowater suffered a cardiac arrest, caused by being strangled, which ultimately led to her death.
In his evidence earlier, DS Clarke said police believed there was a "realistic prospect" that had the case gone to trial, Wright would've been found guilty of murder, rape and grievous bodily harm.
Very little evidence was given for any kind of motive for Wright but staff the pub said he had recently lost his job and was drinking heavily.
Examinations of his phone found a number of Facebook messages between him and Ms Bowater, but there was no suggestion the two were in a secret relationship.
After two hours of evidence, Mr Bedford said the case was a "rare one for a coroner to have to deal with" as it would have normally been held after a criminal trial.
"The evidence is overwhelming,there is no doubt this was an unlawful killing," he said to conclude the inquest.
"I can record that Ms Janine Bowater, died at the Royal Berkshire Hospital, on December due to compression of the neck."
Ms Bowater's family issued a tribute after her death, saying: "Not only were you an amazing caring mother and daughter you were also a loving partner and sister.
"Little did we know that night, all our lives would change forever. You will be missed so much by all your family and everyone that loves you.
"Sleep tight beautiful, shine bright, you'll forever be in our hearts."
WHERE TO GET HELP:
If you are worried about your or someone else's mental health, the best place to get help is your GP or local mental health provider. However, if you or someone else is in danger or endangering others, call police immediately on 111.
OR IF YOU NEED TO TALK TO SOMEONE ELSE:
• LIFELINE: 0800 543 354 (available 24/7)
• SUICIDE CRISIS HELPLINE: 0508 828 865 (0508 TAUTOKO) (available 24/7)
• YOUTHLINE: 0800 376 633
• NEED TO TALK? Free call or text 1737 (available 24/7)
• KIDSLINE: 0800 543 754 (available 24/7)
• WHATSUP: 0800 942 8787 (1pm to 11pm)
• DEPRESSION HELPLINE: 0800 111 757
