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.
[[21, 14], [-186, -10, -112], [-190, 24, 46, -46], [-116, -88, -92, -104]]