Finding the Fourth Proportional to 6,936.05, 9,571.82 and 3,951.87

Step by Step Solution

1. Step 1: Write the proportion equation
   6,936.05 : 9,571.82 = 3,951.87 : x
2. Step 2: Convert to fraction form
   6,936.05/9,571.82 = 3,951.87/x
3. Step 3: Cross multiply
   6,936.05x = 9,571.82 × 3,951.87
4. Step 4: Simplify right side
   6,936.05x = 37,826,568.54
5. Step 5: Solve for x
   x = 37,826,568.54/6,936.05
6. Step 6: Final answer
   x = 5,453.62