Finding the Fourth Proportional to 6,935.91, 9,570.61 and 3,951.17

Step by Step Solution

1. Step 1: Write the proportion equation
   6,935.91 : 9,570.61 = 3,951.17 : x
2. Step 2: Convert to fraction form
   6,935.91/9,570.61 = 3,951.17/x
3. Step 3: Cross multiply
   6,935.91x = 9,570.61 × 3,951.17
4. Step 4: Simplify right side
   6,935.91x = 37,815,142.81
5. Step 5: Solve for x
   x = 37,815,142.81/6,935.91
6. Step 6: Final answer
   x = 5,452.08