Finding the Fourth Proportional to 6,144.28, 8,472.40 and 4,151.37

Step by Step Solution

1. Step 1: Write the proportion equation
   6,144.28 : 8,472.40 = 4,151.37 : x
2. Step 2: Convert to fraction form
   6,144.28/8,472.40 = 4,151.37/x
3. Step 3: Cross multiply
   6,144.28x = 8,472.40 × 4,151.37
4. Step 4: Simplify right side
   6,144.28x = 35,172,067.19
5. Step 5: Solve for x
   x = 35,172,067.19/6,144.28
6. Step 6: Final answer
   x = 5,724.36