Finding the Fourth Proportional to 6,936.29, 9,570.58 and 3,951.30

Step by Step Solution

1. Step 1: Write the proportion equation
   6,936.29 : 9,570.58 = 3,951.30 : x
2. Step 2: Convert to fraction form
   6,936.29/9,570.58 = 3,951.30/x
3. Step 3: Cross multiply
   6,936.29x = 9,570.58 × 3,951.30
4. Step 4: Simplify right side
   6,936.29x = 37,816,222.88
5. Step 5: Solve for x
   x = 37,816,222.88/6,936.29
6. Step 6: Final answer
   x = 5,451.94