Finding the Fourth Proportional to 2,796.24, 4,196.92 and 2,785.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,796.24 : 4,196.92 = 2,785.78 : x
2. Step 2: Convert to fraction form
   2,796.24/4,196.92 = 2,785.78/x
3. Step 3: Cross multiply
   2,796.24x = 4,196.92 × 2,785.78
4. Step 4: Simplify right side
   2,796.24x = 11,691,695.80
5. Step 5: Solve for x
   x = 11,691,695.80/2,796.24
6. Step 6: Final answer
   x = 4,181.22