Finding the Fourth Proportional to 17,598.72, 24,285.96 and 9,640.80

Step by Step Solution

1. Step 1: Write the proportion equation
   17,598.72 : 24,285.96 = 9,640.80 : x
2. Step 2: Convert to fraction form
   17,598.72/24,285.96 = 9,640.80/x
3. Step 3: Cross multiply
   17,598.72x = 24,285.96 × 9,640.80
4. Step 4: Simplify right side
   17,598.72x = 234,136,083.17
5. Step 5: Solve for x
   x = 234,136,083.17/17,598.72
6. Step 6: Final answer
   x = 13,304.15