Finding the Fourth Proportional to 8,105.69, 11,185.76 and 4,520.63

Step by Step Solution

1. Step 1: Write the proportion equation
   8,105.69 : 11,185.76 = 4,520.63 : x
2. Step 2: Convert to fraction form
   8,105.69/11,185.76 = 4,520.63/x
3. Step 3: Cross multiply
   8,105.69x = 11,185.76 × 4,520.63
4. Step 4: Simplify right side
   8,105.69x = 50,566,682.23
5. Step 5: Solve for x
   x = 50,566,682.23/8,105.69
6. Step 6: Final answer
   x = 6,238.42