Finding the Fourth Proportional to 1,452.54, 2,004.52 and 789.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,452.54 : 2,004.52 = 789.42 : x
2. Step 2: Convert to fraction form
   1,452.54/2,004.52 = 789.42/x
3. Step 3: Cross multiply
   1,452.54x = 2,004.52 × 789.42
4. Step 4: Simplify right side
   1,452.54x = 1,582,408.18
5. Step 5: Solve for x
   x = 1,582,408.18/1,452.54
6. Step 6: Final answer
   x = 1,089.41