Finding the Fourth Proportional to 105,268.38, 145,367.40 and 67,608.24

Step by Step Solution

1. Step 1: Write the proportion equation
   105,268.38 : 145,367.40 = 67,608.24 : x
2. Step 2: Convert to fraction form
   105,268.38/145,367.40 = 67,608.24/x
3. Step 3: Cross multiply
   105,268.38x = 145,367.40 × 67,608.24
4. Step 4: Simplify right side
   105,268.38x = 9,828,034,067.38
5. Step 5: Solve for x
   x = 9,828,034,067.38/105,268.38
6. Step 6: Final answer
   x = 93,361.69