Finding the Fourth Proportional to 8,608.97, 12,885.79 and 4,443.32

Step by Step Solution

1. Step 1: Write the proportion equation
   8,608.97 : 12,885.79 = 4,443.32 : x
2. Step 2: Convert to fraction form
   8,608.97/12,885.79 = 4,443.32/x
3. Step 3: Cross multiply
   8,608.97x = 12,885.79 × 4,443.32
4. Step 4: Simplify right side
   8,608.97x = 57,255,612.89
5. Step 5: Solve for x
   x = 57,255,612.89/8,608.97
6. Step 6: Final answer
   x = 6,650.69