Finding the Fourth Proportional to 2,282.83, 3,150.55 and 1,399.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,282.83 : 3,150.55 = 1,399.23 : x
2. Step 2: Convert to fraction form
   2,282.83/3,150.55 = 1,399.23/x
3. Step 3: Cross multiply
   2,282.83x = 3,150.55 × 1,399.23
4. Step 4: Simplify right side
   2,282.83x = 4,408,344.08
5. Step 5: Solve for x
   x = 4,408,344.08/2,282.83
6. Step 6: Final answer
   x = 1,931.09