Finding the Fourth Proportional to 10,425.88, 14,387.71 and 5,710.33

Step by Step Solution

1. Step 1: Write the proportion equation
   10,425.88 : 14,387.71 = 5,710.33 : x
2. Step 2: Convert to fraction form
   10,425.88/14,387.71 = 5,710.33/x
3. Step 3: Cross multiply
   10,425.88x = 14,387.71 × 5,710.33
4. Step 4: Simplify right side
   10,425.88x = 82,158,500.11
5. Step 5: Solve for x
   x = 82,158,500.11/10,425.88
6. Step 6: Final answer
   x = 7,880.25