Finding the Fourth Proportional to 17,819.53, 24,589.92 and 9,861.37

Step by Step Solution

1. Step 1: Write the proportion equation
   17,819.53 : 24,589.92 = 9,861.37 : x
2. Step 2: Convert to fraction form
   17,819.53/24,589.92 = 9,861.37/x
3. Step 3: Cross multiply
   17,819.53x = 24,589.92 × 9,861.37
4. Step 4: Simplify right side
   17,819.53x = 242,490,299.39
5. Step 5: Solve for x
   x = 242,490,299.39/17,819.53
6. Step 6: Final answer
   x = 13,608.12