Finding the Fourth Proportional to 12,401.52, 17,104.20 and 8,156.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,401.52 : 17,104.20 = 8,156.94 : x
2. Step 2: Convert to fraction form
   12,401.52/17,104.20 = 8,156.94/x
3. Step 3: Cross multiply
   12,401.52x = 17,104.20 × 8,156.94
4. Step 4: Simplify right side
   12,401.52x = 139,517,892.36
5. Step 5: Solve for x
   x = 139,517,892.36/12,401.52
6. Step 6: Final answer
   x = 11,250.06