Finding the Fourth Proportional to 2,623.32, 3,934.31 and 868.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,623.32 : 3,934.31 = 868.46 : x
2. Step 2: Convert to fraction form
   2,623.32/3,934.31 = 868.46/x
3. Step 3: Cross multiply
   2,623.32x = 3,934.31 × 868.46
4. Step 4: Simplify right side
   2,623.32x = 3,416,766.85
5. Step 5: Solve for x
   x = 3,416,766.85/2,623.32
6. Step 6: Final answer
   x = 1,302.46