Finding the Fourth Proportional to 2,095.80, 3,142.02 and 863.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,095.80 : 3,142.02 = 863.82 : x
2. Step 2: Convert to fraction form
   2,095.80/3,142.02 = 863.82/x
3. Step 3: Cross multiply
   2,095.80x = 3,142.02 × 863.82
4. Step 4: Simplify right side
   2,095.80x = 2,714,139.72
5. Step 5: Solve for x
   x = 2,714,139.72/2,095.80
6. Step 6: Final answer
   x = 1,295.04