Finding the Fourth Proportional to 10,208.31, 14,087.42 and 5,732.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,208.31 : 14,087.42 = 5,732.25 : x
2. Step 2: Convert to fraction form
   10,208.31/14,087.42 = 5,732.25/x
3. Step 3: Cross multiply
   10,208.31x = 14,087.42 × 5,732.25
4. Step 4: Simplify right side
   10,208.31x = 80,752,584.63
5. Step 5: Solve for x
   x = 80,752,584.63/10,208.31
6. Step 6: Final answer
   x = 7,910.48