Finding the Fourth Proportional to 2,022.72, 3,035.40 and 868.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,022.72 : 3,035.40 = 868.56 : x
2. Step 2: Convert to fraction form
   2,022.72/3,035.40 = 868.56/x
3. Step 3: Cross multiply
   2,022.72x = 3,035.40 × 868.56
4. Step 4: Simplify right side
   2,022.72x = 2,636,427.02
5. Step 5: Solve for x
   x = 2,636,427.02/2,022.72
6. Step 6: Final answer
   x = 1,303.41