Finding the Fourth Proportional to 2,250.73, 3,377.61 and 789.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,250.73 : 3,377.61 = 789.89 : x
2. Step 2: Convert to fraction form
   2,250.73/3,377.61 = 789.89/x
3. Step 3: Cross multiply
   2,250.73x = 3,377.61 × 789.89
4. Step 4: Simplify right side
   2,250.73x = 2,667,948.81
5. Step 5: Solve for x
   x = 2,667,948.81/2,250.73
6. Step 6: Final answer
   x = 1,185.37