Finding the Fourth Proportional to 10,208.30, 14,086.32 and 5,731.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,208.30 : 14,086.32 = 5,731.43 : x
2. Step 2: Convert to fraction form
   10,208.30/14,086.32 = 5,731.43/x
3. Step 3: Cross multiply
   10,208.30x = 14,086.32 × 5,731.43
4. Step 4: Simplify right side
   10,208.30x = 80,734,757.04
5. Step 5: Solve for x
   x = 80,734,757.04/10,208.30
6. Step 6: Final answer
   x = 7,908.74