Finding the Fourth Proportional to 4,082.38, 6,123.25 and 1,308.31

Step by Step Solution

1. Step 1: Write the proportion equation
   4,082.38 : 6,123.25 = 1,308.31 : x
2. Step 2: Convert to fraction form
   4,082.38/6,123.25 = 1,308.31/x
3. Step 3: Cross multiply
   4,082.38x = 6,123.25 × 1,308.31
4. Step 4: Simplify right side
   4,082.38x = 8,011,105.40
5. Step 5: Solve for x
   x = 8,011,105.40/4,082.38
6. Step 6: Final answer
   x = 1,962.36