Finding the Fourth Proportional to 3,995.50, 5,513.73 and 2,227.21

Step by Step Solution

1. Step 1: Write the proportion equation
   3,995.50 : 5,513.73 = 2,227.21 : x
2. Step 2: Convert to fraction form
   3,995.50/5,513.73 = 2,227.21/x
3. Step 3: Cross multiply
   3,995.50x = 5,513.73 × 2,227.21
4. Step 4: Simplify right side
   3,995.50x = 12,280,234.59
5. Step 5: Solve for x
   x = 12,280,234.59/3,995.50
6. Step 6: Final answer
   x = 3,073.52