Finding the Fourth Proportional to 1,084.62, 1,494.79 and 789.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,084.62 : 1,494.79 = 789.37 : x
2. Step 2: Convert to fraction form
   1,084.62/1,494.79 = 789.37/x
3. Step 3: Cross multiply
   1,084.62x = 1,494.79 × 789.37
4. Step 4: Simplify right side
   1,084.62x = 1,179,942.38
5. Step 5: Solve for x
   x = 1,179,942.38/1,084.62
6. Step 6: Final answer
   x = 1,087.89