Finding the Fourth Proportional to 3,996.56, 5,515.32 and 2,227.97

Step by Step Solution

1. Step 1: Write the proportion equation
   3,996.56 : 5,515.32 = 2,227.97 : x
2. Step 2: Convert to fraction form
   3,996.56/5,515.32 = 2,227.97/x
3. Step 3: Cross multiply
   3,996.56x = 5,515.32 × 2,227.97
4. Step 4: Simplify right side
   3,996.56x = 12,287,928.78
5. Step 5: Solve for x
   x = 12,287,928.78/3,996.56
6. Step 6: Final answer
   x = 3,074.63