Finding the Fourth Proportional to 8,144.72, 11,239.71 and 4,418.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,144.72 : 11,239.71 = 4,418.72 : x
2. Step 2: Convert to fraction form
   8,144.72/11,239.71 = 4,418.72/x
3. Step 3: Cross multiply
   8,144.72x = 11,239.71 × 4,418.72
4. Step 4: Simplify right side
   8,144.72x = 49,665,125.61
5. Step 5: Solve for x
   x = 49,665,125.61/8,144.72
6. Step 6: Final answer
   x = 6,097.83