Finding the Fourth Proportional to 11,002.57, 16,505.49 and 3,983.11

Step by Step Solution

1. Step 1: Write the proportion equation
   11,002.57 : 16,505.49 = 3,983.11 : x
2. Step 2: Convert to fraction form
   11,002.57/16,505.49 = 3,983.11/x
3. Step 3: Cross multiply
   11,002.57x = 16,505.49 × 3,983.11
4. Step 4: Simplify right side
   11,002.57x = 65,743,182.27
5. Step 5: Solve for x
   x = 65,743,182.27/11,002.57
6. Step 6: Final answer
   x = 5,975.26