Finding the Fourth Proportional to 2,980.22, 4,454.16 and 2,746.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,980.22 : 4,454.16 = 2,746.78 : x
2. Step 2: Convert to fraction form
   2,980.22/4,454.16 = 2,746.78/x
3. Step 3: Cross multiply
   2,980.22x = 4,454.16 × 2,746.78
4. Step 4: Simplify right side
   2,980.22x = 12,234,583.87
5. Step 5: Solve for x
   x = 12,234,583.87/2,980.22
6. Step 6: Final answer
   x = 4,105.26