Finding the Fourth Proportional to 10,208.43, 14,085.90 and 5,732.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,208.43 : 14,085.90 = 5,732.10 : x
2. Step 2: Convert to fraction form
   10,208.43/14,085.90 = 5,732.10/x
3. Step 3: Cross multiply
   10,208.43x = 14,085.90 × 5,732.10
4. Step 4: Simplify right side
   10,208.43x = 80,741,787.39
5. Step 5: Solve for x
   x = 80,741,787.39/10,208.43
6. Step 6: Final answer
   x = 7,909.32