Finding the Fourth Proportional to 2,869.89, 4,304.04 and 789.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,869.89 : 4,304.04 = 789.41 : x
2. Step 2: Convert to fraction form
   2,869.89/4,304.04 = 789.41/x
3. Step 3: Cross multiply
   2,869.89x = 4,304.04 × 789.41
4. Step 4: Simplify right side
   2,869.89x = 3,397,630.70
5. Step 5: Solve for x
   x = 3,397,630.70/2,869.89
6. Step 6: Final answer
   x = 1,183.89