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.
[[-142, -101, 38, -134], [9, 7], [22, -9, -153, -145, 92, 15, 7], [-146, -29, 39, -13, -186, 90, -127]]