Finding the Fourth Proportional to 3,995.59, 5,513.94 and 2,227.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,995.59 : 5,513.94 = 2,227.31 : x
2. Step 2: Convert to fraction form
   3,995.59/5,513.94 = 2,227.31/x
3. Step 3: Cross multiply
   3,995.59x = 5,513.94 × 2,227.31
4. Step 4: Simplify right side
   3,995.59x = 12,281,226.13
5. Step 5: Solve for x
   x = 12,281,226.13/3,995.59
6. Step 6: Final answer
   x = 3,073.70