Finding the Fourth Proportional to 33,608.79, 50,413.43 and 12,553.59

Step by Step Solution

1. Step 1: Write the proportion equation
   33,608.79 : 50,413.43 = 12,553.59 : x
2. Step 2: Convert to fraction form
   33,608.79/50,413.43 = 12,553.59/x
3. Step 3: Cross multiply
   33,608.79x = 50,413.43 × 12,553.59
4. Step 4: Simplify right side
   33,608.79x = 632,869,467.95
5. Step 5: Solve for x
   x = 632,869,467.95/33,608.79
6. Step 6: Final answer
   x = 18,830.47