Finding the Fourth Proportional to 2,122.46, 3,183.78 and 1,300.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,122.46 : 3,183.78 = 1,300.22 : x
2. Step 2: Convert to fraction form
   2,122.46/3,183.78 = 1,300.22/x
3. Step 3: Cross multiply
   2,122.46x = 3,183.78 × 1,300.22
4. Step 4: Simplify right side
   2,122.46x = 4,139,614.43
5. Step 5: Solve for x
   x = 4,139,614.43/2,122.46
6. Step 6: Final answer
   x = 1,950.39