Finding the Fourth Proportional to 300,951.55, 451,486.31 and 111,413.48

Step by Step Solution

1. Step 1: Write the proportion equation
   300,951.55 : 451,486.31 = 111,413.48 : x
2. Step 2: Convert to fraction form
   300,951.55/451,486.31 = 111,413.48/x
3. Step 3: Cross multiply
   300,951.55x = 451,486.31 × 111,413.48
4. Step 4: Simplify right side
   300,951.55x = 50,301,658,154.96
5. Step 5: Solve for x
   x = 50,301,658,154.96/300,951.55
6. Step 6: Final answer
   x = 167,142.05