Finding the Fourth Proportional to 64,413.18, 96,573.06 and 43,300.86

Step by Step Solution

1. Step 1: Write the proportion equation
   64,413.18 : 96,573.06 = 43,300.86 : x
2. Step 2: Convert to fraction form
   64,413.18/96,573.06 = 43,300.86/x
3. Step 3: Cross multiply
   64,413.18x = 96,573.06 × 43,300.86
4. Step 4: Simplify right side
   64,413.18x = 4,181,696,550.83
5. Step 5: Solve for x
   x = 4,181,696,550.83/64,413.18
6. Step 6: Final answer
   x = 64,919.89