Is it possible to create a Proxy with your Data connection?

Hello!
I have an android phone with infinite data connection, is it possible to transform that 4g connection into a proxy to run some instagram accounts?

If its possible, someone can give me some tutorial and/or help ?

thank you

Yes, it's possible. Take a look:
https://android.stackexchange.com/questions/138519/using-your-android-phone-as-a-proxy-server
https://www.howtogeek.com/295048/how-to-configure-a-proxy-server-on-android/
and so on.