Finding the Fourth Proportional to 105,413.31, 158,135.59 and 30,524.10

Step by Step Solution

1. Step 1: Write the proportion equation
   105,413.31 : 158,135.59 = 30,524.10 : x
2. Step 2: Convert to fraction form
   105,413.31/158,135.59 = 30,524.10/x
3. Step 3: Cross multiply
   105,413.31x = 158,135.59 × 30,524.10
4. Step 4: Simplify right side
   105,413.31x = 4,826,946,410.10
5. Step 5: Solve for x
   x = 4,826,946,410.10/105,413.31
6. Step 6: Final answer
   x = 45,790.68