hi,
It is a very large question you raise there.
The account schedule in Business Central can be used for a lot of different reporting scenarios. So to give you one step by step guide that will meet your spesific requirement may not be so easy.
To get the most use of the help you can get in this forum i think your questions should be as specific as possible.
Here is a starting point for learning about the account schedules in Business Central.
docs.microsoft.com/.../bi-how-work-account-schedule
If you explain in more details the challanges you have with using the account schedules in Business Central i am sure that the community will be more than happy to help you.