Finding the Fourth Proportional to 5,892.72, 8,131.92 and 3,240.24

Step by Step Solution

1. Step 1: Write the proportion equation
   5,892.72 : 8,131.92 = 3,240.24 : x
2. Step 2: Convert to fraction form
   5,892.72/8,131.92 = 3,240.24/x
3. Step 3: Cross multiply
   5,892.72x = 8,131.92 × 3,240.24
4. Step 4: Simplify right side
   5,892.72x = 26,349,372.46
5. Step 5: Solve for x
   x = 26,349,372.46/5,892.72
6. Step 6: Final answer
   x = 4,471.51