Finding the Fourth Proportional to 17,868.27, 24,658.80 and 9,911.25

Step by Step Solution

1. Step 1: Write the proportion equation
   17,868.27 : 24,658.80 = 9,911.25 : x
2. Step 2: Convert to fraction form
   17,868.27/24,658.80 = 9,911.25/x
3. Step 3: Cross multiply
   17,868.27x = 24,658.80 × 9,911.25
4. Step 4: Simplify right side
   17,868.27x = 244,399,531.50
5. Step 5: Solve for x
   x = 244,399,531.50/17,868.27
6. Step 6: Final answer
   x = 13,677.85