Finding the Fourth Proportional to 2,020.94, 3,032.15 and 851.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,020.94 : 3,032.15 = 851.24 : x
2. Step 2: Convert to fraction form
   2,020.94/3,032.15 = 851.24/x
3. Step 3: Cross multiply
   2,020.94x = 3,032.15 × 851.24
4. Step 4: Simplify right side
   2,020.94x = 2,581,078.42
5. Step 5: Solve for x
   x = 2,581,078.42/2,020.94
6. Step 6: Final answer
   x = 1,277.17