Finding the Fourth Proportional to 1,452.69, 2,004.75 and 789.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,452.69 : 2,004.75 = 789.59 : x
2. Step 2: Convert to fraction form
   1,452.69/2,004.75 = 789.59/x
3. Step 3: Cross multiply
   1,452.69x = 2,004.75 × 789.59
4. Step 4: Simplify right side
   1,452.69x = 1,582,920.53
5. Step 5: Solve for x
   x = 1,582,920.53/1,452.69
6. Step 6: Final answer
   x = 1,089.65