Finding the Fourth Proportional to 2,595.10, 3,892.92 and 863.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,595.10 : 3,892.92 = 863.74 : x
2. Step 2: Convert to fraction form
   2,595.10/3,892.92 = 863.74/x
3. Step 3: Cross multiply
   2,595.10x = 3,892.92 × 863.74
4. Step 4: Simplify right side
   2,595.10x = 3,362,470.72
5. Step 5: Solve for x
   x = 3,362,470.72/2,595.10
6. Step 6: Final answer
   x = 1,295.70