Finding the Fourth Proportional to 2,980.55, 4,470.33 and 789.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,980.55 : 4,470.33 = 789.41 : x
2. Step 2: Convert to fraction form
   2,980.55/4,470.33 = 789.41/x
3. Step 3: Cross multiply
   2,980.55x = 4,470.33 × 789.41
4. Step 4: Simplify right side
   2,980.55x = 3,528,923.21
5. Step 5: Solve for x
   x = 3,528,923.21/2,980.55
6. Step 6: Final answer
   x = 1,183.98