Finding the Fourth Proportional to 14,538.72, 20,061.96 and 8,568.24

Step by Step Solution

1. Step 1: Write the proportion equation
   14,538.72 : 20,061.96 = 8,568.24 : x
2. Step 2: Convert to fraction form
   14,538.72/20,061.96 = 8,568.24/x
3. Step 3: Cross multiply
   14,538.72x = 20,061.96 × 8,568.24
4. Step 4: Simplify right side
   14,538.72x = 171,895,688.15
5. Step 5: Solve for x
   x = 171,895,688.15/14,538.72
6. Step 6: Final answer
   x = 11,823.30