Finding the Fourth Proportional to 2,227.57, 3,074.22 and 1,283.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227.57 : 3,074.22 = 1,283.45 : x
2. Step 2: Convert to fraction form
   2,227.57/3,074.22 = 1,283.45/x
3. Step 3: Cross multiply
   2,227.57x = 3,074.22 × 1,283.45
4. Step 4: Simplify right side
   2,227.57x = 3,945,592.29
5. Step 5: Solve for x
   x = 3,945,592.29/2,227.57
6. Step 6: Final answer
   x = 1,771.26