Finding the Fourth Proportional to 11,088.63, 16,629.35 and 3,691.10

Step by Step Solution

1. Step 1: Write the proportion equation
   11,088.63 : 16,629.35 = 3,691.10 : x
2. Step 2: Convert to fraction form
   11,088.63/16,629.35 = 3,691.10/x
3. Step 3: Cross multiply
   11,088.63x = 16,629.35 × 3,691.10
4. Step 4: Simplify right side
   11,088.63x = 61,380,616.90
5. Step 5: Solve for x
   x = 61,380,616.90/11,088.63
6. Step 6: Final answer
   x = 5,535.46