Finding the Fourth Proportional to 17,938.58, 24,755.57 and 9,981.55

Step by Step Solution

1. Step 1: Write the proportion equation
   17,938.58 : 24,755.57 = 9,981.55 : x
2. Step 2: Convert to fraction form
   17,938.58/24,755.57 = 9,981.55/x
3. Step 3: Cross multiply
   17,938.58x = 24,755.57 × 9,981.55
4. Step 4: Simplify right side
   17,938.58x = 247,098,959.73
5. Step 5: Solve for x
   x = 247,098,959.73/17,938.58
6. Step 6: Final answer
   x = 13,774.72