DID'T AUTHORIZE THIS GAME

On 03/04/2021 until 05/01/2021 a series of unauthorized charges were charge to my checking account from Google Roblox, Google IMVU Mobil prices ranging from .99 to $599.99 for over two months I've been trying to reach these people at google play or who ever they are concerning my money I'm a 61 year old living alone no way i would authorize anyone to purchase such nonsense with my bill money. I would appreicate if someone could contact me ASAP because time is running out and I'm losing money everyday that this is not being taken care of my email address holtm7227@gmail.com