Finding the Fourth Proportional to 6,932.16, 9,565.28 and 3,948.05

Step by Step Solution

1. Step 1: Write the proportion equation
   6,932.16 : 9,565.28 = 3,948.05 : x
2. Step 2: Convert to fraction form
   6,932.16/9,565.28 = 3,948.05/x
3. Step 3: Cross multiply
   6,932.16x = 9,565.28 × 3,948.05
4. Step 4: Simplify right side
   6,932.16x = 37,764,183.96
5. Step 5: Solve for x
   x = 37,764,183.96/6,932.16
6. Step 6: Final answer
   x = 5,447.68