Finding the Fourth Proportional to 105,067, 144,972.66 and 62,629.48

Step by Step Solution

1. Step 1: Write the proportion equation
   105,067 : 144,972.66 = 62,629.48 : x
2. Step 2: Convert to fraction form
   105,067/144,972.66 = 62,629.48/x
3. Step 3: Cross multiply
   105,067x = 144,972.66 × 62,629.48
4. Step 4: Simplify right side
   105,067x = 9,079,562,310.02
5. Step 5: Solve for x
   x = 9,079,562,310.02/105,067
6. Step 6: Final answer
   x = 86,416.88