Finding the Fourth Proportional to 8,949.57, 13,416.66 and 3,105.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,949.57 : 13,416.66 = 3,105.42 : x
2. Step 2: Convert to fraction form
   8,949.57/13,416.66 = 3,105.42/x
3. Step 3: Cross multiply
   8,949.57x = 13,416.66 × 3,105.42
4. Step 4: Simplify right side
   8,949.57x = 41,664,364.30
5. Step 5: Solve for x
   x = 41,664,364.30/8,949.57
6. Step 6: Final answer
   x = 4,655.46