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.
[[-171, 39, 8], [-142, -49, 62, 27, 82, -108], [-146, 12, 39, -4, -118, -22], [-8, -147, 54, 92, -136]]