Finding the Fourth Proportional to 8,308.64, 12,464.66 and 3,378.27

Step by Step Solution

1. Step 1: Write the proportion equation
   8,308.64 : 12,464.66 = 3,378.27 : x
2. Step 2: Convert to fraction form
   8,308.64/12,464.66 = 3,378.27/x
3. Step 3: Cross multiply
   8,308.64x = 12,464.66 × 3,378.27
4. Step 4: Simplify right side
   8,308.64x = 42,108,986.94
5. Step 5: Solve for x
   x = 42,108,986.94/8,308.64
6. Step 6: Final answer
   x = 5,068.10