Finding the Fourth Proportional to 1,452.20, 2,003.94 and 789.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,452.20 : 2,003.94 = 789.04 : x
2. Step 2: Convert to fraction form
   1,452.20/2,003.94 = 789.04/x
3. Step 3: Cross multiply
   1,452.20x = 2,003.94 × 789.04
4. Step 4: Simplify right side
   1,452.20x = 1,581,191.32
5. Step 5: Solve for x
   x = 1,581,191.32/1,452.20
6. Step 6: Final answer
   x = 1,088.82