Finding the Fourth Proportional to 17,875.43, 24,666.98 and 9,917.49

Step by Step Solution

1. Step 1: Write the proportion equation
   17,875.43 : 24,666.98 = 9,917.49 : x
2. Step 2: Convert to fraction form
   17,875.43/24,666.98 = 9,917.49/x
3. Step 3: Cross multiply
   17,875.43x = 24,666.98 × 9,917.49
4. Step 4: Simplify right side
   17,875.43x = 244,634,477.89
5. Step 5: Solve for x
   x = 244,634,477.89/17,875.43
6. Step 6: Final answer
   x = 13,685.52