Finding the Fourth Proportional to 2,022.88, 3,034.64 and 868.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,022.88 : 3,034.64 = 868.64 : x
2. Step 2: Convert to fraction form
   2,022.88/3,034.64 = 868.64/x
3. Step 3: Cross multiply
   2,022.88x = 3,034.64 × 868.64
4. Step 4: Simplify right side
   2,022.88x = 2,636,009.69
5. Step 5: Solve for x
   x = 2,636,009.69/2,022.88
6. Step 6: Final answer
   x = 1,303.10