Finding the Fourth Proportional to 89,413.56, 123,385.26 and 49,119.48

Step by Step Solution

1. Step 1: Write the proportion equation
   89,413.56 : 123,385.26 = 49,119.48 : x
2. Step 2: Convert to fraction form
   89,413.56/123,385.26 = 49,119.48/x
3. Step 3: Cross multiply
   89,413.56x = 123,385.26 × 49,119.48
4. Step 4: Simplify right side
   89,413.56x = 6,060,619,810.86
5. Step 5: Solve for x
   x = 6,060,619,810.86/89,413.56
6. Step 6: Final answer
   x = 67,781.89