Finding the Fourth Proportional to 2,622.98, 3,934.98 and 868.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,622.98 : 3,934.98 = 868.25 : x
2. Step 2: Convert to fraction form
   2,622.98/3,934.98 = 868.25/x
3. Step 3: Cross multiply
   2,622.98x = 3,934.98 × 868.25
4. Step 4: Simplify right side
   2,622.98x = 3,416,556.22
5. Step 5: Solve for x
   x = 3,416,556.22/2,622.98
6. Step 6: Final answer
   x = 1,302.55