Finding the Fourth Proportional to 17,600.72, 24,289.04 and 9,643.28

Step by Step Solution

1. Step 1: Write the proportion equation
   17,600.72 : 24,289.04 = 9,643.28 : x
2. Step 2: Convert to fraction form
   17,600.72/24,289.04 = 9,643.28/x
3. Step 3: Cross multiply
   17,600.72x = 24,289.04 × 9,643.28
4. Step 4: Simplify right side
   17,600.72x = 234,226,013.65
5. Step 5: Solve for x
   x = 234,226,013.65/17,600.72
6. Step 6: Final answer
   x = 13,307.75