Finding the Fourth Proportional to 8,084.58, 12,134.18 and 3,408.04

Step by Step Solution

1. Step 1: Write the proportion equation
   8,084.58 : 12,134.18 = 3,408.04 : x
2. Step 2: Convert to fraction form
   8,084.58/12,134.18 = 3,408.04/x
3. Step 3: Cross multiply
   8,084.58x = 12,134.18 × 3,408.04
4. Step 4: Simplify right side
   8,084.58x = 41,353,770.81
5. Step 5: Solve for x
   x = 41,353,770.81/8,084.58
6. Step 6: Final answer
   x = 5,115.14