Finding the Fourth Proportional to 2,067.50, 2,850.85 and 1,321.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,067.50 : 2,850.85 = 1,321.49 : x
2. Step 2: Convert to fraction form
   2,067.50/2,850.85 = 1,321.49/x
3. Step 3: Cross multiply
   2,067.50x = 2,850.85 × 1,321.49
4. Step 4: Simplify right side
   2,067.50x = 3,767,369.77
5. Step 5: Solve for x
   x = 3,767,369.77/2,067.50
6. Step 6: Final answer
   x = 1,822.19