Finding the Fourth Proportional to 2,021.82, 3,033.94 and 867.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,021.82 : 3,033.94 = 867.57 : x
2. Step 2: Convert to fraction form
   2,021.82/3,033.94 = 867.57/x
3. Step 3: Cross multiply
   2,021.82x = 3,033.94 × 867.57
4. Step 4: Simplify right side
   2,021.82x = 2,632,155.33
5. Step 5: Solve for x
   x = 2,632,155.33/2,021.82
6. Step 6: Final answer
   x = 1,301.87