Finding the Fourth Proportional to 2,227.92, 3,074.53 and 1,284.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227.92 : 3,074.53 = 1,284.26 : x
2. Step 2: Convert to fraction form
   2,227.92/3,074.53 = 1,284.26/x
3. Step 3: Cross multiply
   2,227.92x = 3,074.53 × 1,284.26
4. Step 4: Simplify right side
   2,227.92x = 3,948,508.46
5. Step 5: Solve for x
   x = 3,948,508.46/2,227.92
6. Step 6: Final answer
   x = 1,772.28