Finding the Fourth Proportional to 17,672.91, 24,388.92 and 9,715.47

Step by Step Solution

1. Step 1: Write the proportion equation
   17,672.91 : 24,388.92 = 9,715.47 : x
2. Step 2: Convert to fraction form
   17,672.91/24,388.92 = 9,715.47/x
3. Step 3: Cross multiply
   17,672.91x = 24,388.92 × 9,715.47
4. Step 4: Simplify right side
   17,672.91x = 236,949,820.59
5. Step 5: Solve for x
   x = 236,949,820.59/17,672.91
6. Step 6: Final answer
   x = 13,407.52