Finding the Fourth Proportional to 1,452.22, 2,004.06 and 789.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,452.22 : 2,004.06 = 789.07 : x
2. Step 2: Convert to fraction form
   1,452.22/2,004.06 = 789.07/x
3. Step 3: Cross multiply
   1,452.22x = 2,004.06 × 789.07
4. Step 4: Simplify right side
   1,452.22x = 1,581,345.33
5. Step 5: Solve for x
   x = 1,581,345.33/1,452.22
6. Step 6: Final answer
   x = 1,088.91