In this task, you are given a list. This list contains many lists of integers. The list is several items written within a []. Your task is to find the maximum number among the members of each inner list. The output should be a list comprised of the maximums with the same order as the internal lists.
[[74, 95], [-157, -85, -180, 47, 45, -132, -47], [-177, 91, 52, 12, -125, 41, -138], [-151, 81, -103, -139]]