Finding the Fourth Proportional to 10,423.92, 14,384.76 and 5,708.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,423.92 : 14,384.76 = 5,708.12 : x
2. Step 2: Convert to fraction form
   10,423.92/14,384.76 = 5,708.12/x
3. Step 3: Cross multiply
   10,423.92x = 14,384.76 × 5,708.12
4. Step 4: Simplify right side
   10,423.92x = 82,109,936.25
5. Step 5: Solve for x
   x = 82,109,936.25/10,423.92
6. Step 6: Final answer
   x = 7,877.07