Finding the Fourth Proportional to 11,198.18, 16,797.72 and 3,406.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,198.18 : 16,797.72 = 3,406.34 : x
2. Step 2: Convert to fraction form
   11,198.18/16,797.72 = 3,406.34/x
3. Step 3: Cross multiply
   11,198.18x = 16,797.72 × 3,406.34
4. Step 4: Simplify right side
   11,198.18x = 57,218,745.54
5. Step 5: Solve for x
   x = 57,218,745.54/11,198.18
6. Step 6: Final answer
   x = 5,109.65