Finding the Fourth Proportional to 2,227.39, 3,073.91 and 1,283.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227.39 : 3,073.91 = 1,283.43 : x
2. Step 2: Convert to fraction form
   2,227.39/3,073.91 = 1,283.43/x
3. Step 3: Cross multiply
   2,227.39x = 3,073.91 × 1,283.43
4. Step 4: Simplify right side
   2,227.39x = 3,945,148.31
5. Step 5: Solve for x
   x = 3,945,148.31/2,227.39
6. Step 6: Final answer
   x = 1,771.20