Finding the Fourth Proportional to 6,105.99, 9,158.34 and 4,144.23

Step by Step Solution

1. Step 1: Write the proportion equation
   6,105.99 : 9,158.34 = 4,144.23 : x
2. Step 2: Convert to fraction form
   6,105.99/9,158.34 = 4,144.23/x
3. Step 3: Cross multiply
   6,105.99x = 9,158.34 × 4,144.23
4. Step 4: Simplify right side
   6,105.99x = 37,954,267.38
5. Step 5: Solve for x
   x = 37,954,267.38/6,105.99
6. Step 6: Final answer
   x = 6,215.91