Finding the Fourth Proportional to 8,949.16, 13,429.86 and 3,105.73

Step by Step Solution

1. Step 1: Write the proportion equation
   8,949.16 : 13,429.86 = 3,105.73 : x
2. Step 2: Convert to fraction form
   8,949.16/13,429.86 = 3,105.73/x
3. Step 3: Cross multiply
   8,949.16x = 13,429.86 × 3,105.73
4. Step 4: Simplify right side
   8,949.16x = 41,709,519.10
5. Step 5: Solve for x
   x = 41,709,519.10/8,949.16
6. Step 6: Final answer
   x = 4,660.72