Finding the Fourth Proportional to 3,965.46, 5,472.27 and 2,197.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,965.46 : 5,472.27 = 2,197.05 : x
2. Step 2: Convert to fraction form
   3,965.46/5,472.27 = 2,197.05/x
3. Step 3: Cross multiply
   3,965.46x = 5,472.27 × 2,197.05
4. Step 4: Simplify right side
   3,965.46x = 12,022,850.80
5. Step 5: Solve for x
   x = 12,022,850.80/3,965.46
6. Step 6: Final answer
   x = 3,031.89