Finding the Fourth Proportional to 49,144.78, 73,717.22 and 12,208.78

Step by Step Solution

1. Step 1: Write the proportion equation
   49,144.78 : 73,717.22 = 12,208.78 : x
2. Step 2: Convert to fraction form
   49,144.78/73,717.22 = 12,208.78/x
3. Step 3: Cross multiply
   49,144.78x = 73,717.22 × 12,208.78
4. Step 4: Simplify right side
   49,144.78x = 899,997,443.86
5. Step 5: Solve for x
   x = 899,997,443.86/49,144.78
6. Step 6: Final answer
   x = 18,313.18