Finding the Fourth Proportional to 17,866.42, 24,655.56 and 9,909.82

Step by Step Solution

1. Step 1: Write the proportion equation
   17,866.42 : 24,655.56 = 9,909.82 : x
2. Step 2: Convert to fraction form
   17,866.42/24,655.56 = 9,909.82/x
3. Step 3: Cross multiply
   17,866.42x = 24,655.56 × 9,909.82
4. Step 4: Simplify right side
   17,866.42x = 244,332,161.60
5. Step 5: Solve for x
   x = 244,332,161.60/17,866.42
6. Step 6: Final answer
   x = 13,675.50