Finding the Fourth Proportional to 105,058.50, 144,974.82 and 59,730.09

Step by Step Solution

1. Step 1: Write the proportion equation
   105,058.50 : 144,974.82 = 59,730.09 : x
2. Step 2: Convert to fraction form
   105,058.50/144,974.82 = 59,730.09/x
3. Step 3: Cross multiply
   105,058.50x = 144,974.82 × 59,730.09
4. Step 4: Simplify right side
   105,058.50x = 8,659,359,046.33
5. Step 5: Solve for x
   x = 8,659,359,046.33/105,058.50
6. Step 6: Final answer
   x = 82,424.16