You would need 1 router or WiFi adapter for each connection.
If you have all 4 adapters connected to your computer and you are running Windows try this:
https://alternativeto.net/software/connectify-dispatch/The program have been discontinued, but it worked when I needed it a few years ago…
If you are going for the routers way:
You would need to configure each router to act as a Client connected to the APs. Then use a switch to connect everything together. And another router to be your hotspot.
I hope it makes sense. Sorry for my English…