Finding the Fourth Proportional to 16,100.16, 24,138.72 and 6,861.12

Step by Step Solution

1. Step 1: Write the proportion equation
   16,100.16 : 24,138.72 = 6,861.12 : x
2. Step 2: Convert to fraction form
   16,100.16/24,138.72 = 6,861.12/x
3. Step 3: Cross multiply
   16,100.16x = 24,138.72 × 6,861.12
4. Step 4: Simplify right side
   16,100.16x = 165,618,654.57
5. Step 5: Solve for x
   x = 165,618,654.57/16,100.16
6. Step 6: Final answer
   x = 10,286.77