Finding the Fourth Proportional to 17,939.62, 24,753.72 and 9,981.64

Step by Step Solution

1. Step 1: Write the proportion equation
   17,939.62 : 24,753.72 = 9,981.64 : x
2. Step 2: Convert to fraction form
   17,939.62/24,753.72 = 9,981.64/x
3. Step 3: Cross multiply
   17,939.62x = 24,753.72 × 9,981.64
4. Step 4: Simplify right side
   17,939.62x = 247,082,721.70
5. Step 5: Solve for x
   x = 247,082,721.70/17,939.62
6. Step 6: Final answer
   x = 13,773.02