Finding the Fourth Proportional to 12,614.88, 17,401.68 and 7,898.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,614.88 : 17,401.68 = 7,898.16 : x
2. Step 2: Convert to fraction form
   12,614.88/17,401.68 = 7,898.16/x
3. Step 3: Cross multiply
   12,614.88x = 17,401.68 × 7,898.16
4. Step 4: Simplify right side
   12,614.88x = 137,441,252.91
5. Step 5: Solve for x
   x = 137,441,252.91/12,614.88
6. Step 6: Final answer
   x = 10,895.17