Finding the Fourth Proportional to 105,067.58, 144,992.57 and 59,745.57

Step by Step Solution

1. Step 1: Write the proportion equation
   105,067.58 : 144,992.57 = 59,745.57 : x
2. Step 2: Convert to fraction form
   105,067.58/144,992.57 = 59,745.57/x
3. Step 3: Cross multiply
   105,067.58x = 144,992.57 × 59,745.57
4. Step 4: Simplify right side
   105,067.58x = 8,662,662,897.96
5. Step 5: Solve for x
   x = 8,662,662,897.96/105,067.58
6. Step 6: Final answer
   x = 82,448.49