Finding the Fourth Proportional to 2,250.37, 3,375.15 and 789.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,250.37 : 3,375.15 = 789.40 : x
2. Step 2: Convert to fraction form
   2,250.37/3,375.15 = 789.40/x
3. Step 3: Cross multiply
   2,250.37x = 3,375.15 × 789.40
4. Step 4: Simplify right side
   2,250.37x = 2,664,343.41
5. Step 5: Solve for x
   x = 2,664,343.41/2,250.37
6. Step 6: Final answer
   x = 1,183.96