Finding the Fourth Proportional to 3,196.62, 4,788.78 and 2,708.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,196.62 : 4,788.78 = 2,708.16 : x
2. Step 2: Convert to fraction form
   3,196.62/4,788.78 = 2,708.16/x
3. Step 3: Cross multiply
   3,196.62x = 4,788.78 × 2,708.16
4. Step 4: Simplify right side
   3,196.62x = 12,968,782.44
5. Step 5: Solve for x
   x = 12,968,782.44/3,196.62
6. Step 6: Final answer
   x = 4,057.03