Finding the Fourth Proportional to 8,443.44, 12,648.15 and 3,994.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,443.44 : 12,648.15 = 3,994.38 : x
2. Step 2: Convert to fraction form
   8,443.44/12,648.15 = 3,994.38/x
3. Step 3: Cross multiply
   8,443.44x = 12,648.15 × 3,994.38
4. Step 4: Simplify right side
   8,443.44x = 50,521,517.40
5. Step 5: Solve for x
   x = 50,521,517.40/8,443.44
6. Step 6: Final answer
   x = 5,983.52