Finding the Fourth Proportional to 17,647.72, 24,354.06 and 9,689.80

Step by Step Solution

1. Step 1: Write the proportion equation
   17,647.72 : 24,354.06 = 9,689.80 : x
2. Step 2: Convert to fraction form
   17,647.72/24,354.06 = 9,689.80/x
3. Step 3: Cross multiply
   17,647.72x = 24,354.06 × 9,689.80
4. Step 4: Simplify right side
   17,647.72x = 235,985,970.59
5. Step 5: Solve for x
   x = 235,985,970.59/17,647.72
6. Step 6: Final answer
   x = 13,372.04