Finding the Fourth Proportional to 11,882.52, 16,401.42 and 7,691.04

Step by Step Solution

1. Step 1: Write the proportion equation
   11,882.52 : 16,401.42 = 7,691.04 : x
2. Step 2: Convert to fraction form
   11,882.52/16,401.42 = 7,691.04/x
3. Step 3: Cross multiply
   11,882.52x = 16,401.42 × 7,691.04
4. Step 4: Simplify right side
   11,882.52x = 126,143,977.28
5. Step 5: Solve for x
   x = 126,143,977.28/11,882.52
6. Step 6: Final answer
   x = 10,615.93