Finding the Fourth Proportional to 17,642.98, 24,347.42 and 9,685.27

Step by Step Solution

1. Step 1: Write the proportion equation
   17,642.98 : 24,347.42 = 9,685.27 : x
2. Step 2: Convert to fraction form
   17,642.98/24,347.42 = 9,685.27/x
3. Step 3: Cross multiply
   17,642.98x = 24,347.42 × 9,685.27
4. Step 4: Simplify right side
   17,642.98x = 235,811,336.50
5. Step 5: Solve for x
   x = 235,811,336.50/17,642.98
6. Step 6: Final answer
   x = 13,365.73