Finding the Fourth Proportional to 105,066.50, 144,985.86 and 59,738.09

Step by Step Solution

1. Step 1: Write the proportion equation
   105,066.50 : 144,985.86 = 59,738.09 : x
2. Step 2: Convert to fraction form
   105,066.50/144,985.86 = 59,738.09/x
3. Step 3: Cross multiply
   105,066.50x = 144,985.86 × 59,738.09
4. Step 4: Simplify right side
   105,066.50x = 8,661,177,628.48
5. Step 5: Solve for x
   x = 8,661,177,628.48/105,066.50
6. Step 6: Final answer
   x = 82,435.20