Finding the Fourth Proportional to 123,413.63, 185,189.49 and 67,257.54

Step by Step Solution

1. Step 1: Write the proportion equation
   123,413.63 : 185,189.49 = 67,257.54 : x
2. Step 2: Convert to fraction form
   123,413.63/185,189.49 = 67,257.54/x
3. Step 3: Cross multiply
   123,413.63x = 185,189.49 × 67,257.54
4. Step 4: Simplify right side
   123,413.63x = 12,455,389,531.25
5. Step 5: Solve for x
   x = 12,455,389,531.25/123,413.63
6. Step 6: Final answer
   x = 100,923.94