Finding the Fourth Proportional to 3,995.45, 5,513.72 and 2,227.01

Step by Step Solution

1. Step 1: Write the proportion equation
   3,995.45 : 5,513.72 = 2,227.01 : x
2. Step 2: Convert to fraction form
   3,995.45/5,513.72 = 2,227.01/x
3. Step 3: Cross multiply
   3,995.45x = 5,513.72 × 2,227.01
4. Step 4: Simplify right side
   3,995.45x = 12,279,112.23
5. Step 5: Solve for x
   x = 12,279,112.23/3,995.45
6. Step 6: Final answer
   x = 3,073.28