Finding the Fourth Proportional to 8,105.73, 11,185.89 and 4,520.70

Step by Step Solution

1. Step 1: Write the proportion equation
   8,105.73 : 11,185.89 = 4,520.70 : x
2. Step 2: Convert to fraction form
   8,105.73/11,185.89 = 4,520.70/x
3. Step 3: Cross multiply
   8,105.73x = 11,185.89 × 4,520.70
4. Step 4: Simplify right side
   8,105.73x = 50,568,002.33
5. Step 5: Solve for x
   x = 50,568,002.33/8,105.73
6. Step 6: Final answer
   x = 6,238.55