Finding the Fourth Proportional to 105,596.73, 145,727.51 and 60,282.09

Step by Step Solution

1. Step 1: Write the proportion equation
   105,596.73 : 145,727.51 = 60,282.09 : x
2. Step 2: Convert to fraction form
   105,596.73/145,727.51 = 60,282.09/x
3. Step 3: Cross multiply
   105,596.73x = 145,727.51 × 60,282.09
4. Step 4: Simplify right side
   105,596.73x = 8,784,758,571.89
5. Step 5: Solve for x
   x = 8,784,758,571.89/105,596.73
6. Step 6: Final answer
   x = 83,191.58