Finding the Fourth Proportional to 7,439.31, 10,265.92 and 4,082.06

Step by Step Solution

1. Step 1: Write the proportion equation
   7,439.31 : 10,265.92 = 4,082.06 : x
2. Step 2: Convert to fraction form
   7,439.31/10,265.92 = 4,082.06/x
3. Step 3: Cross multiply
   7,439.31x = 10,265.92 × 4,082.06
4. Step 4: Simplify right side
   7,439.31x = 41,906,116.85
5. Step 5: Solve for x
   x = 41,906,116.85/7,439.31
6. Step 6: Final answer
   x = 5,633.07