Finding the Fourth Proportional to 72,849.36, 109,044.72 and 50,227.68

Step by Step Solution

1. Step 1: Write the proportion equation
   72,849.36 : 109,044.72 = 50,227.68 : x
2. Step 2: Convert to fraction form
   72,849.36/109,044.72 = 50,227.68/x
3. Step 3: Cross multiply
   72,849.36x = 109,044.72 × 50,227.68
4. Step 4: Simplify right side
   72,849.36x = 5,477,063,301.85
5. Step 5: Solve for x
   x = 5,477,063,301.85/72,849.36
6. Step 6: Final answer
   x = 75,183.41