Finding the Fourth Proportional to 105,061.97, 144,984.85 and 59,739.97

Step by Step Solution

1. Step 1: Write the proportion equation
   105,061.97 : 144,984.85 = 59,739.97 : x
2. Step 2: Convert to fraction form
   105,061.97/144,984.85 = 59,739.97/x
3. Step 3: Cross multiply
   105,061.97x = 144,984.85 × 59,739.97
4. Step 4: Simplify right side
   105,061.97x = 8,661,389,971.09
5. Step 5: Solve for x
   x = 8,661,389,971.09/105,061.97
6. Step 6: Final answer
   x = 82,440.77