Finding the Fourth Proportional to 2,512.29, 3,770.15 and 868.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,512.29 : 3,770.15 = 868.82 : x
2. Step 2: Convert to fraction form
   2,512.29/3,770.15 = 868.82/x
3. Step 3: Cross multiply
   2,512.29x = 3,770.15 × 868.82
4. Step 4: Simplify right side
   2,512.29x = 3,275,581.72
5. Step 5: Solve for x
   x = 3,275,581.72/2,512.29
6. Step 6: Final answer
   x = 1,303.82