Finding the Fourth Proportional to 2,980.32, 4,470.06 and 789.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,980.32 : 4,470.06 = 789.24 : x
2. Step 2: Convert to fraction form
   2,980.32/4,470.06 = 789.24/x
3. Step 3: Cross multiply
   2,980.32x = 4,470.06 × 789.24
4. Step 4: Simplify right side
   2,980.32x = 3,527,950.15
5. Step 5: Solve for x
   x = 3,527,950.15/2,980.32
6. Step 6: Final answer
   x = 1,183.75