Finding the Fourth Proportional to 6,805.69, 9,393.47 and 4,155.33

Step by Step Solution

1. Step 1: Write the proportion equation
   6,805.69 : 9,393.47 = 4,155.33 : x
2. Step 2: Convert to fraction form
   6,805.69/9,393.47 = 4,155.33/x
3. Step 3: Cross multiply
   6,805.69x = 9,393.47 × 4,155.33
4. Step 4: Simplify right side
   6,805.69x = 39,032,997.73
5. Step 5: Solve for x
   x = 39,032,997.73/6,805.69
6. Step 6: Final answer
   x = 5,735.35