Finding the Fourth Proportional to 3,996.31, 5,514.85 and 2,227.87

Step by Step Solution

1. Step 1: Write the proportion equation
   3,996.31 : 5,514.85 = 2,227.87 : x
2. Step 2: Convert to fraction form
   3,996.31/5,514.85 = 2,227.87/x
3. Step 3: Cross multiply
   3,996.31x = 5,514.85 × 2,227.87
4. Step 4: Simplify right side
   3,996.31x = 12,286,363.30
5. Step 5: Solve for x
   x = 12,286,363.30/3,996.31
6. Step 6: Final answer
   x = 3,074.43