Finding the Fourth Proportional to 3,996.16, 5,514.34 and 2,227.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,996.16 : 5,514.34 = 2,227.72 : x
2. Step 2: Convert to fraction form
   3,996.16/5,514.34 = 2,227.72/x
3. Step 3: Cross multiply
   3,996.16x = 5,514.34 × 2,227.72
4. Step 4: Simplify right side
   3,996.16x = 12,284,405.50
5. Step 5: Solve for x
   x = 12,284,405.50/3,996.16
6. Step 6: Final answer
   x = 3,074.05