Finding the Fourth Proportional to 6,581.28, 9,082.61 and 3,710.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,581.28 : 9,082.61 = 3,710.72 : x
2. Step 2: Convert to fraction form
   6,581.28/9,082.61 = 3,710.72/x
3. Step 3: Cross multiply
   6,581.28x = 9,082.61 × 3,710.72
4. Step 4: Simplify right side
   6,581.28x = 33,702,989.56
5. Step 5: Solve for x
   x = 33,702,989.56/6,581.28
6. Step 6: Final answer
   x = 5,121.04