4. On his birthday, Piglet baked a large cake weighing 10 kg and invited 100 guests. Among them was Winnie-the-Pooh, who is fond of sweets. The birthday boy announced the rule for dividing the cake: the first guest cuts a piece of the cake that is $1 \%$, the second guest cuts a piece of the cake that is $2 \%$ of the remaining part, the third guest cuts a piece of the cake that is $3 \%$ of the remaining part, and so on. What place in line should Winnie-the-Pooh take to get the largest piece of cake?