Finding the Fourth Proportional to 1,452.54, 2,004.47 and 789.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,452.54 : 2,004.47 = 789.38 : x
2. Step 2: Convert to fraction form
   1,452.54/2,004.47 = 789.38/x
3. Step 3: Cross multiply
   1,452.54x = 2,004.47 × 789.38
4. Step 4: Simplify right side
   1,452.54x = 1,582,274.56
5. Step 5: Solve for x
   x = 1,582,274.56/1,452.54
6. Step 6: Final answer
   x = 1,089.32