Finding the Fourth Proportional to 3,996.30, 5,514.97 and 2,227.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,996.30 : 5,514.97 = 2,227.72 : x
2. Step 2: Convert to fraction form
   3,996.30/5,514.97 = 2,227.72/x
3. Step 3: Cross multiply
   3,996.30x = 5,514.97 × 2,227.72
4. Step 4: Simplify right side
   3,996.30x = 12,285,775.82
5. Step 5: Solve for x
   x = 12,285,775.82/3,996.30
6. Step 6: Final answer
   x = 3,074.29