Finding the Fourth Proportional to 6,805.69, 9,393.48 and 4,155.35

Step by Step Solution

1. Step 1: Write the proportion equation
   6,805.69 : 9,393.48 = 4,155.35 : x
2. Step 2: Convert to fraction form
   6,805.69/9,393.48 = 4,155.35/x
3. Step 3: Cross multiply
   6,805.69x = 9,393.48 × 4,155.35
4. Step 4: Simplify right side
   6,805.69x = 39,033,150.15
5. Step 5: Solve for x
   x = 39,033,150.15/6,805.69
6. Step 6: Final answer
   x = 5,735.37