Finding the Fourth Proportional to 17,760.16, 24,500.88 and 10,306.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,760.16 : 24,500.88 = 10,306.72 : x
2. Step 2: Convert to fraction form
   17,760.16/24,500.88 = 10,306.72/x
3. Step 3: Cross multiply
   17,760.16x = 24,500.88 × 10,306.72
4. Step 4: Simplify right side
   17,760.16x = 252,523,709.91
5. Step 5: Solve for x
   x = 252,523,709.91/17,760.16
6. Step 6: Final answer
   x = 14,218.55