Finding the Fourth Proportional to 2,323.85, 3,487.34 and 863.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,323.85 : 3,487.34 = 863.15 : x
2. Step 2: Convert to fraction form
   2,323.85/3,487.34 = 863.15/x
3. Step 3: Cross multiply
   2,323.85x = 3,487.34 × 863.15
4. Step 4: Simplify right side
   2,323.85x = 3,010,101.92
5. Step 5: Solve for x
   x = 3,010,101.92/2,323.85
6. Step 6: Final answer
   x = 1,295.31