Finding the Fourth Proportional to 10,342.71, 14,273.25 and 5,627.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,342.71 : 14,273.25 = 5,627.31 : x
2. Step 2: Convert to fraction form
   10,342.71/14,273.25 = 5,627.31/x
3. Step 3: Cross multiply
   10,342.71x = 14,273.25 × 5,627.31
4. Step 4: Simplify right side
   10,342.71x = 80,320,002.46
5. Step 5: Solve for x
   x = 80,320,002.46/10,342.71
6. Step 6: Final answer
   x = 7,765.86