Finding the Fourth Proportional to 2,016.48, 3,025.80 and 863.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.48 : 3,025.80 = 863.04 : x
2. Step 2: Convert to fraction form
   2,016.48/3,025.80 = 863.04/x
3. Step 3: Cross multiply
   2,016.48x = 3,025.80 × 863.04
4. Step 4: Simplify right side
   2,016.48x = 2,611,386.43
5. Step 5: Solve for x
   x = 2,611,386.43/2,016.48
6. Step 6: Final answer
   x = 1,295.02