Finding the Fourth Proportional to 2,869.96, 4,304.37 and 789.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,869.96 : 4,304.37 = 789.43 : x
2. Step 2: Convert to fraction form
   2,869.96/4,304.37 = 789.43/x
3. Step 3: Cross multiply
   2,869.96x = 4,304.37 × 789.43
4. Step 4: Simplify right side
   2,869.96x = 3,397,988.05
5. Step 5: Solve for x
   x = 3,397,988.05/2,869.96
6. Step 6: Final answer
   x = 1,183.99