Finding the Fourth Proportional to 6,960.72, 9,605.97 and 3,816.96

Step by Step Solution

1. Step 1: Write the proportion equation
   6,960.72 : 9,605.97 = 3,816.96 : x
2. Step 2: Convert to fraction form
   6,960.72/9,605.97 = 3,816.96/x
3. Step 3: Cross multiply
   6,960.72x = 9,605.97 × 3,816.96
4. Step 4: Simplify right side
   6,960.72x = 36,665,603.25
5. Step 5: Solve for x
   x = 36,665,603.25/6,960.72
6. Step 6: Final answer
   x = 5,267.50