Finding the Fourth Proportional to 3,944.22, 5,443.20 and 2,266.17

Step by Step Solution

1. Step 1: Write the proportion equation
   3,944.22 : 5,443.20 = 2,266.17 : x
2. Step 2: Convert to fraction form
   3,944.22/5,443.20 = 2,266.17/x
3. Step 3: Cross multiply
   3,944.22x = 5,443.20 × 2,266.17
4. Step 4: Simplify right side
   3,944.22x = 12,335,216.54
5. Step 5: Solve for x
   x = 12,335,216.54/3,944.22
6. Step 6: Final answer
   x = 3,127.42