Finding the Fourth Proportional to 6,665.38, 9,198.38 and 3,681.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,665.38 : 9,198.38 = 3,681.42 : x
2. Step 2: Convert to fraction form
   6,665.38/9,198.38 = 3,681.42/x
3. Step 3: Cross multiply
   6,665.38x = 9,198.38 × 3,681.42
4. Step 4: Simplify right side
   6,665.38x = 33,863,100.10
5. Step 5: Solve for x
   x = 33,863,100.10/6,665.38
6. Step 6: Final answer
   x = 5,080.45