Finding the Fourth Proportional to 11,091.39, 16,631.55 and 3,693.27

Step by Step Solution

1. Step 1: Write the proportion equation
   11,091.39 : 16,631.55 = 3,693.27 : x
2. Step 2: Convert to fraction form
   11,091.39/16,631.55 = 3,693.27/x
3. Step 3: Cross multiply
   11,091.39x = 16,631.55 × 3,693.27
4. Step 4: Simplify right side
   11,091.39x = 61,424,804.67
5. Step 5: Solve for x
   x = 61,424,804.67/11,091.39
6. Step 6: Final answer
   x = 5,538.06