Finding the Fourth Proportional to 3,399.05, 5,097.96 and 2,162.79

Step by Step Solution

1. Step 1: Write the proportion equation
   3,399.05 : 5,097.96 = 2,162.79 : x
2. Step 2: Convert to fraction form
   3,399.05/5,097.96 = 2,162.79/x
3. Step 3: Cross multiply
   3,399.05x = 5,097.96 × 2,162.79
4. Step 4: Simplify right side
   3,399.05x = 11,025,796.83
5. Step 5: Solve for x
   x = 11,025,796.83/3,399.05
6. Step 6: Final answer
   x = 3,243.79