Finding the Fourth Proportional to 2,049.96, 3,073.98 and 681

Step by Step Solution

1. Step 1: Write the proportion equation
   2,049.96 : 3,073.98 = 681 : x
2. Step 2: Convert to fraction form
   2,049.96/3,073.98 = 681/x
3. Step 3: Cross multiply
   2,049.96x = 3,073.98 × 681
4. Step 4: Simplify right side
   2,049.96x = 2,093,380.38
5. Step 5: Solve for x
   x = 2,093,380.38/2,049.96
6. Step 6: Final answer
   x = 1,021.18