Finding the Fourth Proportional to 2,817.46, 4,227.16 and 1,258.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,817.46 : 4,227.16 = 1,258.54 : x
2. Step 2: Convert to fraction form
   2,817.46/4,227.16 = 1,258.54/x
3. Step 3: Cross multiply
   2,817.46x = 4,227.16 × 1,258.54
4. Step 4: Simplify right side
   2,817.46x = 5,320,049.95
5. Step 5: Solve for x
   x = 5,320,049.95/2,817.46
6. Step 6: Final answer
   x = 1,888.24