Finding the Fourth Proportional to 6,789.38, 9,369.88 and 3,995.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,789.38 : 9,369.88 = 3,995.42 : x
2. Step 2: Convert to fraction form
   6,789.38/9,369.88 = 3,995.42/x
3. Step 3: Cross multiply
   6,789.38x = 9,369.88 × 3,995.42
4. Step 4: Simplify right side
   6,789.38x = 37,436,549.11
5. Step 5: Solve for x
   x = 37,436,549.11/6,789.38
6. Step 6: Final answer
   x = 5,513.99