Finding the Fourth Proportional to 9,105.32, 13,661.25 and 3,183.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,105.32 : 13,661.25 = 3,183.07 : x
2. Step 2: Convert to fraction form
   9,105.32/13,661.25 = 3,183.07/x
3. Step 3: Cross multiply
   9,105.32x = 13,661.25 × 3,183.07
4. Step 4: Simplify right side
   9,105.32x = 43,484,715.04
5. Step 5: Solve for x
   x = 43,484,715.04/9,105.32
6. Step 6: Final answer
   x = 4,775.75