Finding the Fourth Proportional to 6,972.27, 9,617.72 and 4,176.15

Step by Step Solution

1. Step 1: Write the proportion equation
   6,972.27 : 9,617.72 = 4,176.15 : x
2. Step 2: Convert to fraction form
   6,972.27/9,617.72 = 4,176.15/x
3. Step 3: Cross multiply
   6,972.27x = 9,617.72 × 4,176.15
4. Step 4: Simplify right side
   6,972.27x = 40,165,020.50
5. Step 5: Solve for x
   x = 40,165,020.50/6,972.27
6. Step 6: Final answer
   x = 5,760.68