Finding the Fourth Proportional to 17,939.43, 24,756.06 and 9,981.60

Step by Step Solution

1. Step 1: Write the proportion equation
   17,939.43 : 24,756.06 = 9,981.60 : x
2. Step 2: Convert to fraction form
   17,939.43/24,756.06 = 9,981.60/x
3. Step 3: Cross multiply
   17,939.43x = 24,756.06 × 9,981.60
4. Step 4: Simplify right side
   17,939.43x = 247,105,088.50
5. Step 5: Solve for x
   x = 247,105,088.50/17,939.43
6. Step 6: Final answer
   x = 13,774.41