Finding the Fourth Proportional to 2,980.38, 4,470.61 and 789.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,980.38 : 4,470.61 = 789.33 : x
2. Step 2: Convert to fraction form
   2,980.38/4,470.61 = 789.33/x
3. Step 3: Cross multiply
   2,980.38x = 4,470.61 × 789.33
4. Step 4: Simplify right side
   2,980.38x = 3,528,786.59
5. Step 5: Solve for x
   x = 3,528,786.59/2,980.38
6. Step 6: Final answer
   x = 1,184.01