Finding the Fourth Proportional to 105,727.38, 145,912.22 and 59,796.72

Step by Step Solution

1. Step 1: Write the proportion equation
   105,727.38 : 145,912.22 = 59,796.72 : x
2. Step 2: Convert to fraction form
   105,727.38/145,912.22 = 59,796.72/x
3. Step 3: Cross multiply
   105,727.38x = 145,912.22 × 59,796.72
4. Step 4: Simplify right side
   105,727.38x = 8,725,071,864.93
5. Step 5: Solve for x
   x = 8,725,071,864.93/105,727.38
6. Step 6: Final answer
   x = 82,524.24