Finding the Fourth Proportional to 1,452.33, 2,004.17 and 789.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,452.33 : 2,004.17 = 789.17 : x
2. Step 2: Convert to fraction form
   1,452.33/2,004.17 = 789.17/x
3. Step 3: Cross multiply
   1,452.33x = 2,004.17 × 789.17
4. Step 4: Simplify right side
   1,452.33x = 1,581,624.73
5. Step 5: Solve for x
   x = 1,581,624.73/1,452.33
6. Step 6: Final answer
   x = 1,089.03