Finding the Fourth Proportional to 2,250.48, 3,375.71 and 789.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,250.48 : 3,375.71 = 789.30 : x
2. Step 2: Convert to fraction form
   2,250.48/3,375.71 = 789.30/x
3. Step 3: Cross multiply
   2,250.48x = 3,375.71 × 789.30
4. Step 4: Simplify right side
   2,250.48x = 2,664,443.96
5. Step 5: Solve for x
   x = 2,664,443.96/2,250.48
6. Step 6: Final answer
   x = 1,183.94