Finding the Fourth Proportional to 72,908.72, 109,363.04 and 41,721.92

Step by Step Solution

1. Step 1: Write the proportion equation
   72,908.72 : 109,363.04 = 41,721.92 : x
2. Step 2: Convert to fraction form
   72,908.72/109,363.04 = 41,721.92/x
3. Step 3: Cross multiply
   72,908.72x = 109,363.04 × 41,721.92
4. Step 4: Simplify right side
   72,908.72x = 4,562,836,005.84
5. Step 5: Solve for x
   x = 4,562,836,005.84/72,908.72
6. Step 6: Final answer
   x = 62,582.86