Finding the Fourth Proportional to 2,022.92, 3,031.86 and 867.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,022.92 : 3,031.86 = 867.32 : x
2. Step 2: Convert to fraction form
   2,022.92/3,031.86 = 867.32/x
3. Step 3: Cross multiply
   2,022.92x = 3,031.86 × 867.32
4. Step 4: Simplify right side
   2,022.92x = 2,629,592.82
5. Step 5: Solve for x
   x = 2,629,592.82/2,022.92
6. Step 6: Final answer
   x = 1,299.90