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.
[[99, -128, -21, -121, -117, -92], [-48, -9, -141, -18, -95], [-20, -29, -22, -193]]