Finding the Fourth Proportional to 2,082.73, 3,123.23 and 849.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,082.73 : 3,123.23 = 849.30 : x
2. Step 2: Convert to fraction form
   2,082.73/3,123.23 = 849.30/x
3. Step 3: Cross multiply
   2,082.73x = 3,123.23 × 849.30
4. Step 4: Simplify right side
   2,082.73x = 2,652,559.24
5. Step 5: Solve for x
   x = 2,652,559.24/2,082.73
6. Step 6: Final answer
   x = 1,273.60