Finding the Fourth Proportional to 73,016.10, 109,511.73 and 20,413.35

Step by Step Solution

1. Step 1: Write the proportion equation
   73,016.10 : 109,511.73 = 20,413.35 : x
2. Step 2: Convert to fraction form
   73,016.10/109,511.73 = 20,413.35/x
3. Step 3: Cross multiply
   73,016.10x = 109,511.73 × 20,413.35
4. Step 4: Simplify right side
   73,016.10x = 2,235,501,273.60
5. Step 5: Solve for x
   x = 2,235,501,273.60/73,016.10
6. Step 6: Final answer
   x = 30,616.55