Finding the Fourth Proportional to 2,185.92, 3,278.81 and 799.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.92 : 3,278.81 = 799.27 : x
2. Step 2: Convert to fraction form
   2,185.92/3,278.81 = 799.27/x
3. Step 3: Cross multiply
   2,185.92x = 3,278.81 × 799.27
4. Step 4: Simplify right side
   2,185.92x = 2,620,648.27
5. Step 5: Solve for x
   x = 2,620,648.27/2,185.92
6. Step 6: Final answer
   x = 1,198.88