Finding the Fourth Proportional to 8,566.42, 12,849.46 and 3,949.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,566.42 : 12,849.46 = 3,949.42 : x
2. Step 2: Convert to fraction form
   8,566.42/12,849.46 = 3,949.42/x
3. Step 3: Cross multiply
   8,566.42x = 12,849.46 × 3,949.42
4. Step 4: Simplify right side
   8,566.42x = 50,747,914.31
5. Step 5: Solve for x
   x = 50,747,914.31/8,566.42
6. Step 6: Final answer
   x = 5,924.05