Finding the Fourth Proportional to 8,081.55, 12,127.05 and 3,401.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,081.55 : 12,127.05 = 3,401.25 : x
2. Step 2: Convert to fraction form
   8,081.55/12,127.05 = 3,401.25/x
3. Step 3: Cross multiply
   8,081.55x = 12,127.05 × 3,401.25
4. Step 4: Simplify right side
   8,081.55x = 41,247,128.81
5. Step 5: Solve for x
   x = 41,247,128.81/8,081.55
6. Step 6: Final answer
   x = 5,103.86