Finding the Fourth Proportional to 2,980.07, 4,470.23 and 789.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,980.07 : 4,470.23 = 789.02 : x
2. Step 2: Convert to fraction form
   2,980.07/4,470.23 = 789.02/x
3. Step 3: Cross multiply
   2,980.07x = 4,470.23 × 789.02
4. Step 4: Simplify right side
   2,980.07x = 3,527,100.87
5. Step 5: Solve for x
   x = 3,527,100.87/2,980.07
6. Step 6: Final answer
   x = 1,183.56