Finding the Fourth Proportional to 2,033.42, 3,047.99 and 863.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,033.42 : 3,047.99 = 863.15 : x
2. Step 2: Convert to fraction form
   2,033.42/3,047.99 = 863.15/x
3. Step 3: Cross multiply
   2,033.42x = 3,047.99 × 863.15
4. Step 4: Simplify right side
   2,033.42x = 2,630,853.01
5. Step 5: Solve for x
   x = 2,630,853.01/2,033.42
6. Step 6: Final answer
   x = 1,293.81