Finding the Fourth Proportional to 16,120.35, 24,145.47 and 9,861.43

Step by Step Solution

1. Step 1: Write the proportion equation
   16,120.35 : 24,145.47 = 9,861.43 : x
2. Step 2: Convert to fraction form
   16,120.35/24,145.47 = 9,861.43/x
3. Step 3: Cross multiply
   16,120.35x = 24,145.47 × 9,861.43
4. Step 4: Simplify right side
   16,120.35x = 238,108,819.40
5. Step 5: Solve for x
   x = 238,108,819.40/16,120.35
6. Step 6: Final answer
   x = 14,770.70