Finding the Fourth Proportional to 72,738.72, 109,128.24 and 33,262.56

Step by Step Solution

1. Step 1: Write the proportion equation
   72,738.72 : 109,128.24 = 33,262.56 : x
2. Step 2: Convert to fraction form
   72,738.72/109,128.24 = 33,262.56/x
3. Step 3: Cross multiply
   72,738.72x = 109,128.24 × 33,262.56
4. Step 4: Simplify right side
   72,738.72x = 3,629,884,630.69
5. Step 5: Solve for x
   x = 3,629,884,630.69/72,738.72
6. Step 6: Final answer
   x = 49,903.06