Finding the Fourth Proportional to 155,362.16, 231,989.41 and 123,413.60

Step by Step Solution

1. Step 1: Write the proportion equation
   155,362.16 : 231,989.41 = 123,413.60 : x
2. Step 2: Convert to fraction form
   155,362.16/231,989.41 = 123,413.60/x
3. Step 3: Cross multiply
   155,362.16x = 231,989.41 × 123,413.60
4. Step 4: Simplify right side
   155,362.16x = 28,630,648,249.98
5. Step 5: Solve for x
   x = 28,630,648,249.98/155,362.16
6. Step 6: Final answer
   x = 184,283.28