Finding the Fourth Proportional to 2,271.20, 3,147.41 and 2,227.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,271.20 : 3,147.41 = 2,227.46 : x
2. Step 2: Convert to fraction form
   2,271.20/3,147.41 = 2,227.46/x
3. Step 3: Cross multiply
   2,271.20x = 3,147.41 × 2,227.46
4. Step 4: Simplify right side
   2,271.20x = 7,010,729.88
5. Step 5: Solve for x
   x = 7,010,729.88/2,271.20
6. Step 6: Final answer
   x = 3,086.80