Finding the Fourth Proportional to 2,508.55, 3,760.59 and 863.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,508.55 : 3,760.59 = 863.94 : x
2. Step 2: Convert to fraction form
   2,508.55/3,760.59 = 863.94/x
3. Step 3: Cross multiply
   2,508.55x = 3,760.59 × 863.94
4. Step 4: Simplify right side
   2,508.55x = 3,248,924.12
5. Step 5: Solve for x
   x = 3,248,924.12/2,508.55
6. Step 6: Final answer
   x = 1,295.14