Finding the Fourth Proportional to 6,789.59, 9,369.55 and 3,805.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,789.59 : 9,369.55 = 3,805.42 : x
2. Step 2: Convert to fraction form
   6,789.59/9,369.55 = 3,805.42/x
3. Step 3: Cross multiply
   6,789.59x = 9,369.55 × 3,805.42
4. Step 4: Simplify right side
   6,789.59x = 35,655,072.96
5. Step 5: Solve for x
   x = 35,655,072.96/6,789.59
6. Step 6: Final answer
   x = 5,251.43