Finding the Fourth Proportional to 17,938.43, 24,754.69 and 9,980.59

Step by Step Solution

1. Step 1: Write the proportion equation
   17,938.43 : 24,754.69 = 9,980.59 : x
2. Step 2: Convert to fraction form
   17,938.43/24,754.69 = 9,980.59/x
3. Step 3: Cross multiply
   17,938.43x = 24,754.69 × 9,980.59
4. Step 4: Simplify right side
   17,938.43x = 247,066,411.47
5. Step 5: Solve for x
   x = 247,066,411.47/17,938.43
6. Step 6: Final answer
   x = 13,773.02