Finding the Fourth Proportional to 122,365.27, 168,864.52 and 71,413.18

Step by Step Solution

1. Step 1: Write the proportion equation
   122,365.27 : 168,864.52 = 71,413.18 : x
2. Step 2: Convert to fraction form
   122,365.27/168,864.52 = 71,413.18/x
3. Step 3: Cross multiply
   122,365.27x = 168,864.52 × 71,413.18
4. Step 4: Simplify right side
   122,365.27x = 12,059,152,096.43
5. Step 5: Solve for x
   x = 12,059,152,096.43/122,365.27
6. Step 6: Final answer
   x = 98,550.45