Finding the Fourth Proportional to 1,452.61, 2,004.61 and 789.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,452.61 : 2,004.61 = 789.48 : x
2. Step 2: Convert to fraction form
   1,452.61/2,004.61 = 789.48/x
3. Step 3: Cross multiply
   1,452.61x = 2,004.61 × 789.48
4. Step 4: Simplify right side
   1,452.61x = 1,582,599.50
5. Step 5: Solve for x
   x = 1,582,599.50/1,452.61
6. Step 6: Final answer
   x = 1,089.49