Finding the Fourth Proportional to 4,086.12, 6,131.51 and 3,401.08

Step by Step Solution

1. Step 1: Write the proportion equation
   4,086.12 : 6,131.51 = 3,401.08 : x
2. Step 2: Convert to fraction form
   4,086.12/6,131.51 = 3,401.08/x
3. Step 3: Cross multiply
   4,086.12x = 6,131.51 × 3,401.08
4. Step 4: Simplify right side
   4,086.12x = 20,853,756.03
5. Step 5: Solve for x
   x = 20,853,756.03/4,086.12
6. Step 6: Final answer
   x = 5,103.56