Finding the Fourth Proportional to 8,084.35, 12,109.49 and 3,705.49

Step by Step Solution

1. Step 1: Write the proportion equation
   8,084.35 : 12,109.49 = 3,705.49 : x
2. Step 2: Convert to fraction form
   8,084.35/12,109.49 = 3,705.49/x
3. Step 3: Cross multiply
   8,084.35x = 12,109.49 × 3,705.49
4. Step 4: Simplify right side
   8,084.35x = 44,871,594.10
5. Step 5: Solve for x
   x = 44,871,594.10/8,084.35
6. Step 6: Final answer
   x = 5,550.43