Finding the Fourth Proportional to 2,082.81, 3,124.21 and 849.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,082.81 : 3,124.21 = 849.93 : x
2. Step 2: Convert to fraction form
   2,082.81/3,124.21 = 849.93/x
3. Step 3: Cross multiply
   2,082.81x = 3,124.21 × 849.93
4. Step 4: Simplify right side
   2,082.81x = 2,655,359.81
5. Step 5: Solve for x
   x = 2,655,359.81/2,082.81
6. Step 6: Final answer
   x = 1,274.89