Finding the Fourth Proportional to 111,413.89, 153,741.52 and 65,468.66

Step by Step Solution

1. Step 1: Write the proportion equation
   111,413.89 : 153,741.52 = 65,468.66 : x
2. Step 2: Convert to fraction form
   111,413.89/153,741.52 = 65,468.66/x
3. Step 3: Cross multiply
   111,413.89x = 153,741.52 × 65,468.66
4. Step 4: Simplify right side
   111,413.89x = 10,065,251,300.76
5. Step 5: Solve for x
   x = 10,065,251,300.76/111,413.89
6. Step 6: Final answer
   x = 90,341.08