Finding the Fourth Proportional to 6,198.72, 8,554.23 and 3,366.09

Step by Step Solution

1. Step 1: Write the proportion equation
   6,198.72 : 8,554.23 = 3,366.09 : x
2. Step 2: Convert to fraction form
   6,198.72/8,554.23 = 3,366.09/x
3. Step 3: Cross multiply
   6,198.72x = 8,554.23 × 3,366.09
4. Step 4: Simplify right side
   6,198.72x = 28,794,308.06
5. Step 5: Solve for x
   x = 28,794,308.06/6,198.72
6. Step 6: Final answer
   x = 4,645.20