Finding the Fourth Proportional to 10,429.38, 14,392.47 and 5,713.71

Step by Step Solution

1. Step 1: Write the proportion equation
   10,429.38 : 14,392.47 = 5,713.71 : x
2. Step 2: Convert to fraction form
   10,429.38/14,392.47 = 5,713.71/x
3. Step 3: Cross multiply
   10,429.38x = 14,392.47 × 5,713.71
4. Step 4: Simplify right side
   10,429.38x = 82,234,399.76
5. Step 5: Solve for x
   x = 82,234,399.76/10,429.38
6. Step 6: Final answer
   x = 7,884.88