Finding the Fourth Proportional to 65,574.50, 98,413.20 and 45,723.83

Step by Step Solution

1. Step 1: Write the proportion equation
   65,574.50 : 98,413.20 = 45,723.83 : x
2. Step 2: Convert to fraction form
   65,574.50/98,413.20 = 45,723.83/x
3. Step 3: Cross multiply
   65,574.50x = 98,413.20 × 45,723.83
4. Step 4: Simplify right side
   65,574.50x = 4,499,827,934.49
5. Step 5: Solve for x
   x = 4,499,827,934.49/65,574.50
6. Step 6: Final answer
   x = 68,621.62