Finding the Fourth Proportional to 2,282.54, 3,149.72 and 1,338.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,282.54 : 3,149.72 = 1,338.22 : x
2. Step 2: Convert to fraction form
   2,282.54/3,149.72 = 1,338.22/x
3. Step 3: Cross multiply
   2,282.54x = 3,149.72 × 1,338.22
4. Step 4: Simplify right side
   2,282.54x = 4,215,018.30
5. Step 5: Solve for x
   x = 4,215,018.30/2,282.54
6. Step 6: Final answer
   x = 1,846.64