Finding the Fourth Proportional to 78,413.83, 117,628.02 and 22,255.31

Step by Step Solution

1. Step 1: Write the proportion equation
   78,413.83 : 117,628.02 = 22,255.31 : x
2. Step 2: Convert to fraction form
   78,413.83/117,628.02 = 22,255.31/x
3. Step 3: Cross multiply
   78,413.83x = 117,628.02 × 22,255.31
4. Step 4: Simplify right side
   78,413.83x = 2,617,848,049.79
5. Step 5: Solve for x
   x = 2,617,848,049.79/78,413.83
6. Step 6: Final answer
   x = 33,385.03