Finding the Fourth Proportional to 10,423.92, 14,384.46 and 5,708.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,423.92 : 14,384.46 = 5,708.10 : x
2. Step 2: Convert to fraction form
   10,423.92/14,384.46 = 5,708.10/x
3. Step 3: Cross multiply
   10,423.92x = 14,384.46 × 5,708.10
4. Step 4: Simplify right side
   10,423.92x = 82,107,936.13
5. Step 5: Solve for x
   x = 82,107,936.13/10,423.92
6. Step 6: Final answer
   x = 7,876.88