Finding the Fourth Proportional to 3,401.91, 4,695.40 and 2,222.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,401.91 : 4,695.40 = 2,222.30 : x
2. Step 2: Convert to fraction form
   3,401.91/4,695.40 = 2,222.30/x
3. Step 3: Cross multiply
   3,401.91x = 4,695.40 × 2,222.30
4. Step 4: Simplify right side
   3,401.91x = 10,434,601.94
5. Step 5: Solve for x
   x = 10,434,601.94/3,401.91
6. Step 6: Final answer
   x = 3,067.28