Finding the Fourth Proportional to 105,420.48, 158,149.92 and 50,016

Step by Step Solution

1. Step 1: Write the proportion equation
   105,420.48 : 158,149.92 = 50,016 : x
2. Step 2: Convert to fraction form
   105,420.48/158,149.92 = 50,016/x
3. Step 3: Cross multiply
   105,420.48x = 158,149.92 × 50,016
4. Step 4: Simplify right side
   105,420.48x = 7,910,026,398.72
5. Step 5: Solve for x
   x = 7,910,026,398.72/105,420.48
6. Step 6: Final answer
   x = 75,033.11