Finding the Fourth Proportional to 8,561.16, 12,843.54 and 3,633.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,561.16 : 12,843.54 = 3,633.12 : x
2. Step 2: Convert to fraction form
   8,561.16/12,843.54 = 3,633.12/x
3. Step 3: Cross multiply
   8,561.16x = 12,843.54 × 3,633.12
4. Step 4: Simplify right side
   8,561.16x = 46,662,122.04
5. Step 5: Solve for x
   x = 46,662,122.04/8,561.16
6. Step 6: Final answer
   x = 5,450.44