Finding the Fourth Proportional to 17,600.43, 24,287.94 and 9,642.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,600.43 : 24,287.94 = 9,642.72 : x
2. Step 2: Convert to fraction form
   17,600.43/24,287.94 = 9,642.72/x
3. Step 3: Cross multiply
   17,600.43x = 24,287.94 × 9,642.72
4. Step 4: Simplify right side
   17,600.43x = 234,201,804.80
5. Step 5: Solve for x
   x = 234,201,804.80/17,600.43
6. Step 6: Final answer
   x = 13,306.60