Finding the Fourth Proportional to 2,595.16, 3,890.82 and 863.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,595.16 : 3,890.82 = 863.32 : x
2. Step 2: Convert to fraction form
   2,595.16/3,890.82 = 863.32/x
3. Step 3: Cross multiply
   2,595.16x = 3,890.82 × 863.32
4. Step 4: Simplify right side
   2,595.16x = 3,359,022.72
5. Step 5: Solve for x
   x = 3,359,022.72/2,595.16
6. Step 6: Final answer
   x = 1,294.34