Finding the Fourth Proportional to 3,996.12, 5,514.83 and 2,227.74

Step by Step Solution

1. Step 1: Write the proportion equation
   3,996.12 : 5,514.83 = 2,227.74 : x
2. Step 2: Convert to fraction form
   3,996.12/5,514.83 = 2,227.74/x
3. Step 3: Cross multiply
   3,996.12x = 5,514.83 × 2,227.74
4. Step 4: Simplify right side
   3,996.12x = 12,285,596.25
5. Step 5: Solve for x
   x = 12,285,596.25/3,996.12
6. Step 6: Final answer
   x = 3,074.38