Finding the Fourth Proportional to 9,105.77, 13,661.94 and 3,183.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,105.77 : 13,661.94 = 3,183.54 : x
2. Step 2: Convert to fraction form
   9,105.77/13,661.94 = 3,183.54/x
3. Step 3: Cross multiply
   9,105.77x = 13,661.94 × 3,183.54
4. Step 4: Simplify right side
   9,105.77x = 43,493,332.47
5. Step 5: Solve for x
   x = 43,493,332.47/9,105.77
6. Step 6: Final answer
   x = 4,776.46