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.
[[96, -86, -167], [-158, 85, -112, 46, 85], [18, -68, -189, -46, 32], [68, -11, 58, -173]]