Finding the Fourth Proportional to 12,144.61, 18,208.72 and 5,567.23

Step by Step Solution

1. Step 1: Write the proportion equation
   12,144.61 : 18,208.72 = 5,567.23 : x
2. Step 2: Convert to fraction form
   12,144.61/18,208.72 = 5,567.23/x
3. Step 3: Cross multiply
   12,144.61x = 18,208.72 × 5,567.23
4. Step 4: Simplify right side
   12,144.61x = 101,372,132.25
5. Step 5: Solve for x
   x = 101,372,132.25/12,144.61
6. Step 6: Final answer
   x = 8,347.09