Finding the Fourth Proportional to 105,067.39, 144,992.31 and 59,745.37

Step by Step Solution

1. Step 1: Write the proportion equation
   105,067.39 : 144,992.31 = 59,745.37 : x
2. Step 2: Convert to fraction form
   105,067.39/144,992.31 = 59,745.37/x
3. Step 3: Cross multiply
   105,067.39x = 144,992.31 × 59,745.37
4. Step 4: Simplify right side
   105,067.39x = 8,662,619,208.10
5. Step 5: Solve for x
   x = 8,662,619,208.10/105,067.39
6. Step 6: Final answer
   x = 82,448.22