Finding the Fourth Proportional to 17,876.71, 24,669.86 and 9,918.93

Step by Step Solution

1. Step 1: Write the proportion equation
   17,876.71 : 24,669.86 = 9,918.93 : x
2. Step 2: Convert to fraction form
   17,876.71/24,669.86 = 9,918.93/x
3. Step 3: Cross multiply
   17,876.71x = 24,669.86 × 9,918.93
4. Step 4: Simplify right side
   17,876.71x = 244,698,614.45
5. Step 5: Solve for x
   x = 244,698,614.45/17,876.71
6. Step 6: Final answer
   x = 13,688.12