Finding the Fourth Proportional to 2,022.50, 3,032.37 and 789.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,022.50 : 3,032.37 = 789.57 : x
2. Step 2: Convert to fraction form
   2,022.50/3,032.37 = 789.57/x
3. Step 3: Cross multiply
   2,022.50x = 3,032.37 × 789.57
4. Step 4: Simplify right side
   2,022.50x = 2,394,268.38
5. Step 5: Solve for x
   x = 2,394,268.38/2,022.50
6. Step 6: Final answer
   x = 1,183.81