Finding the Fourth Proportional to 154,413.72, 231,618.15 and 49,231.98

Step by Step Solution

1. Step 1: Write the proportion equation
   154,413.72 : 231,618.15 = 49,231.98 : x
2. Step 2: Convert to fraction form
   154,413.72/231,618.15 = 49,231.98/x
3. Step 3: Cross multiply
   154,413.72x = 231,618.15 × 49,231.98
4. Step 4: Simplify right side
   154,413.72x = 11,403,020,128.44
5. Step 5: Solve for x
   x = 11,403,020,128.44/154,413.72
6. Step 6: Final answer
   x = 73,847.20