Finding the Fourth Proportional to 2,442.72, 3,664.04 and 799.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,442.72 : 3,664.04 = 799.28 : x
2. Step 2: Convert to fraction form
   2,442.72/3,664.04 = 799.28/x
3. Step 3: Cross multiply
   2,442.72x = 3,664.04 × 799.28
4. Step 4: Simplify right side
   2,442.72x = 2,928,593.89
5. Step 5: Solve for x
   x = 2,928,593.89/2,442.72
6. Step 6: Final answer
   x = 1,198.91