Finding the Fourth Proportional to 3,967.27, 5,474.56 and 2,198.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,967.27 : 5,474.56 = 2,198.82 : x
2. Step 2: Convert to fraction form
   3,967.27/5,474.56 = 2,198.82/x
3. Step 3: Cross multiply
   3,967.27x = 5,474.56 × 2,198.82
4. Step 4: Simplify right side
   3,967.27x = 12,037,572.02
5. Step 5: Solve for x
   x = 12,037,572.02/3,967.27
6. Step 6: Final answer
   x = 3,034.22