Finding the Fourth Proportional to 2,737.52, 4,105.68 and 789.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,737.52 : 4,105.68 = 789.30 : x
2. Step 2: Convert to fraction form
   2,737.52/4,105.68 = 789.30/x
3. Step 3: Cross multiply
   2,737.52x = 4,105.68 × 789.30
4. Step 4: Simplify right side
   2,737.52x = 3,240,613.22
5. Step 5: Solve for x
   x = 3,240,613.22/2,737.52
6. Step 6: Final answer
   x = 1,183.78