Finding the Fourth Proportional to 3,951.72, 5,453.69 and 2,273.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,951.72 : 5,453.69 = 2,273.54 : x
2. Step 2: Convert to fraction form
   3,951.72/5,453.69 = 2,273.54/x
3. Step 3: Cross multiply
   3,951.72x = 5,453.69 × 2,273.54
4. Step 4: Simplify right side
   3,951.72x = 12,399,143.73
5. Step 5: Solve for x
   x = 12,399,143.73/3,951.72
6. Step 6: Final answer
   x = 3,137.66