Finding the Fourth Proportional to 3,995.46, 5,514.06 and 2,227.20

Step by Step Solution

1. Step 1: Write the proportion equation
   3,995.46 : 5,514.06 = 2,227.20 : x
2. Step 2: Convert to fraction form
   3,995.46/5,514.06 = 2,227.20/x
3. Step 3: Cross multiply
   3,995.46x = 5,514.06 × 2,227.20
4. Step 4: Simplify right side
   3,995.46x = 12,280,914.43
5. Step 5: Solve for x
   x = 12,280,914.43/3,995.46
6. Step 6: Final answer
   x = 3,073.72