Finding the Fourth Proportional to 2,980.06, 4,469.88 and 788.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,980.06 : 4,469.88 = 788.74 : x
2. Step 2: Convert to fraction form
   2,980.06/4,469.88 = 788.74/x
3. Step 3: Cross multiply
   2,980.06x = 4,469.88 × 788.74
4. Step 4: Simplify right side
   2,980.06x = 3,525,573.15
5. Step 5: Solve for x
   x = 3,525,573.15/2,980.06
6. Step 6: Final answer
   x = 1,183.05