Finding the Fourth Proportional to 17,830.72, 24,605.31 and 9,872.47

Step by Step Solution

1. Step 1: Write the proportion equation
   17,830.72 : 24,605.31 = 9,872.47 : x
2. Step 2: Convert to fraction form
   17,830.72/24,605.31 = 9,872.47/x
3. Step 3: Cross multiply
   17,830.72x = 24,605.31 × 9,872.47
4. Step 4: Simplify right side
   17,830.72x = 242,915,160.32
5. Step 5: Solve for x
   x = 242,915,160.32/17,830.72
6. Step 6: Final answer
   x = 13,623.41