Finding the Fourth Proportional to 3,995.56, 5,513.72 and 2,227.08

Step by Step Solution

1. Step 1: Write the proportion equation
   3,995.56 : 5,513.72 = 2,227.08 : x
2. Step 2: Convert to fraction form
   3,995.56/5,513.72 = 2,227.08/x
3. Step 3: Cross multiply
   3,995.56x = 5,513.72 × 2,227.08
4. Step 4: Simplify right side
   3,995.56x = 12,279,495.54
5. Step 5: Solve for x
   x = 12,279,495.54/3,995.56
6. Step 6: Final answer
   x = 3,073.29