Finding the Fourth Proportional to 6,786.26, 10,170.69 and 5,905.10

Step by Step Solution

1. Step 1: Write the proportion equation
   6,786.26 : 10,170.69 = 5,905.10 : x
2. Step 2: Convert to fraction form
   6,786.26/10,170.69 = 5,905.10/x
3. Step 3: Cross multiply
   6,786.26x = 10,170.69 × 5,905.10
4. Step 4: Simplify right side
   6,786.26x = 60,058,941.52
5. Step 5: Solve for x
   x = 60,058,941.52/6,786.26
6. Step 6: Final answer
   x = 8,850.08