Finding the Fourth Proportional to 1,452.38, 2,004.29 and 789.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,452.38 : 2,004.29 = 789.24 : x
2. Step 2: Convert to fraction form
   1,452.38/2,004.29 = 789.24/x
3. Step 3: Cross multiply
   1,452.38x = 2,004.29 × 789.24
4. Step 4: Simplify right side
   1,452.38x = 1,581,861.89
5. Step 5: Solve for x
   x = 1,581,861.89/1,452.38
6. Step 6: Final answer
   x = 1,089.16