Finding the Fourth Proportional to 50,413.61, 69,572.59 and 28,906.70

Step by Step Solution

1. Step 1: Write the proportion equation
   50,413.61 : 69,572.59 = 28,906.70 : x
2. Step 2: Convert to fraction form
   50,413.61/69,572.59 = 28,906.70/x
3. Step 3: Cross multiply
   50,413.61x = 69,572.59 × 28,906.70
4. Step 4: Simplify right side
   50,413.61x = 2,011,113,567.22
5. Step 5: Solve for x
   x = 2,011,113,567.22/50,413.61
6. Step 6: Final answer
   x = 39,892.27