Finding the Fourth Proportional to 6,965.28, 9,616.59 and 4,315.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,965.28 : 9,616.59 = 4,315.50 : x
2. Step 2: Convert to fraction form
   6,965.28/9,616.59 = 4,315.50/x
3. Step 3: Cross multiply
   6,965.28x = 9,616.59 × 4,315.50
4. Step 4: Simplify right side
   6,965.28x = 41,500,394.15
5. Step 5: Solve for x
   x = 41,500,394.15/6,965.28
6. Step 6: Final answer
   x = 5,958.18