Finding the Fourth Proportional to 17,819.01, 24,589.98 and 9,861.15

Step by Step Solution

1. Step 1: Write the proportion equation
   17,819.01 : 24,589.98 = 9,861.15 : x
2. Step 2: Convert to fraction form
   17,819.01/24,589.98 = 9,861.15/x
3. Step 3: Cross multiply
   17,819.01x = 24,589.98 × 9,861.15
4. Step 4: Simplify right side
   17,819.01x = 242,485,481.28
5. Step 5: Solve for x
   x = 242,485,481.28/17,819.01
6. Step 6: Final answer
   x = 13,608.25