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, 73, 92, -49], [-104, -124, 44, 19, 65, -152], [-60, -149, -128, 58]]