Finding the Fourth Proportional to 4,144.86, 6,217.47 and 1,679.31

Step by Step Solution

1. Step 1: Write the proportion equation
   4,144.86 : 6,217.47 = 1,679.31 : x
2. Step 2: Convert to fraction form
   4,144.86/6,217.47 = 1,679.31/x
3. Step 3: Cross multiply
   4,144.86x = 6,217.47 × 1,679.31
4. Step 4: Simplify right side
   4,144.86x = 10,441,059.55
5. Step 5: Solve for x
   x = 10,441,059.55/4,144.86
6. Step 6: Final answer
   x = 2,519.04