Finding the Fourth Proportional to 2,223.05, 3,067.34 and 1,691.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,223.05 : 3,067.34 = 1,691.82 : x
2. Step 2: Convert to fraction form
   2,223.05/3,067.34 = 1,691.82/x
3. Step 3: Cross multiply
   2,223.05x = 3,067.34 × 1,691.82
4. Step 4: Simplify right side
   2,223.05x = 5,189,378.70
5. Step 5: Solve for x
   x = 5,189,378.70/2,223.05
6. Step 6: Final answer
   x = 2,334.36