Finding the Fourth Proportional to 111,168, 153,413.28 and 60,865.92

Step by Step Solution

1. Step 1: Write the proportion equation
   111,168 : 153,413.28 = 60,865.92 : x
2. Step 2: Convert to fraction form
   111,168/153,413.28 = 60,865.92/x
3. Step 3: Cross multiply
   111,168x = 153,413.28 × 60,865.92
4. Step 4: Simplify right side
   111,168x = 9,337,640,427.42
5. Step 5: Solve for x
   x = 9,337,640,427.42/111,168
6. Step 6: Final answer
   x = 83,995.76