Finding the Fourth Proportional to 17,596.72, 24,284.10 and 9,639.28

Step by Step Solution

1. Step 1: Write the proportion equation
   17,596.72 : 24,284.10 = 9,639.28 : x
2. Step 2: Convert to fraction form
   17,596.72/24,284.10 = 9,639.28/x
3. Step 3: Cross multiply
   17,596.72x = 24,284.10 × 9,639.28
4. Step 4: Simplify right side
   17,596.72x = 234,081,239.45
5. Step 5: Solve for x
   x = 234,081,239.45/17,596.72
6. Step 6: Final answer
   x = 13,302.55