Finding the Fourth Proportional to 2,108.25, 3,163.22 and 1,067.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108.25 : 3,163.22 = 1,067.69 : x
2. Step 2: Convert to fraction form
   2,108.25/3,163.22 = 1,067.69/x
3. Step 3: Cross multiply
   2,108.25x = 3,163.22 × 1,067.69
4. Step 4: Simplify right side
   2,108.25x = 3,377,333.02
5. Step 5: Solve for x
   x = 3,377,333.02/2,108.25
6. Step 6: Final answer
   x = 1,601.96