Finding the Fourth Proportional to 3,954.27, 5,456.61 and 2,274.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,954.27 : 5,456.61 = 2,274.46 : x
2. Step 2: Convert to fraction form
   3,954.27/5,456.61 = 2,274.46/x
3. Step 3: Cross multiply
   3,954.27x = 5,456.61 × 2,274.46
4. Step 4: Simplify right side
   3,954.27x = 12,410,841.18
5. Step 5: Solve for x
   x = 12,410,841.18/3,954.27
6. Step 6: Final answer
   x = 3,138.59