Finding the Fourth Proportional to 2,717.69, 4,076.22 and 868.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,717.69 : 4,076.22 = 868.62 : x
2. Step 2: Convert to fraction form
   2,717.69/4,076.22 = 868.62/x
3. Step 3: Cross multiply
   2,717.69x = 4,076.22 × 868.62
4. Step 4: Simplify right side
   2,717.69x = 3,540,704.76
5. Step 5: Solve for x
   x = 3,540,704.76/2,717.69
6. Step 6: Final answer
   x = 1,302.84