Finding the Fourth Proportional to 67,608.72, 101,413.24 and 18,360.72

Step by Step Solution

1. Step 1: Write the proportion equation
   67,608.72 : 101,413.24 = 18,360.72 : x
2. Step 2: Convert to fraction form
   67,608.72/101,413.24 = 18,360.72/x
3. Step 3: Cross multiply
   67,608.72x = 101,413.24 × 18,360.72
4. Step 4: Simplify right side
   67,608.72x = 1,862,020,103.93
5. Step 5: Solve for x
   x = 1,862,020,103.93/67,608.72
6. Step 6: Final answer
   x = 27,541.12