Finding the Fourth Proportional to 17,705.13, 24,432.90 and 9,747.20

Step by Step Solution

1. Step 1: Write the proportion equation
   17,705.13 : 24,432.90 = 9,747.20 : x
2. Step 2: Convert to fraction form
   17,705.13/24,432.90 = 9,747.20/x
3. Step 3: Cross multiply
   17,705.13x = 24,432.90 × 9,747.20
4. Step 4: Simplify right side
   17,705.13x = 238,152,240.72
5. Step 5: Solve for x
   x = 238,152,240.72/17,705.13
6. Step 6: Final answer
   x = 13,451.03