Finding the Fourth Proportional to 17,866.57, 24,655.25 and 9,909.53

Step by Step Solution

1. Step 1: Write the proportion equation
   17,866.57 : 24,655.25 = 9,909.53 : x
2. Step 2: Convert to fraction form
   17,866.57/24,655.25 = 9,909.53/x
3. Step 3: Cross multiply
   17,866.57x = 24,655.25 × 9,909.53
4. Step 4: Simplify right side
   17,866.57x = 244,321,939.53
5. Step 5: Solve for x
   x = 244,321,939.53/17,866.57
6. Step 6: Final answer
   x = 13,674.81