Finding the Fourth Proportional to 2,082.40, 3,123.62 and 849.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,082.40 : 3,123.62 = 849.48 : x
2. Step 2: Convert to fraction form
   2,082.40/3,123.62 = 849.48/x
3. Step 3: Cross multiply
   2,082.40x = 3,123.62 × 849.48
4. Step 4: Simplify right side
   2,082.40x = 2,653,452.72
5. Step 5: Solve for x
   x = 2,653,452.72/2,082.40
6. Step 6: Final answer
   x = 1,274.23