Finding the Fourth Proportional to 8,084.43, 12,128.81 and 3,401.96

Step by Step Solution

1. Step 1: Write the proportion equation
   8,084.43 : 12,128.81 = 3,401.96 : x
2. Step 2: Convert to fraction form
   8,084.43/12,128.81 = 3,401.96/x
3. Step 3: Cross multiply
   8,084.43x = 12,128.81 × 3,401.96
4. Step 4: Simplify right side
   8,084.43x = 41,261,648.81
5. Step 5: Solve for x
   x = 41,261,648.81/8,084.43
6. Step 6: Final answer
   x = 5,103.84