Finding the Fourth Proportional to 72,059.74, 99,413.86 and 48,148.54

Step by Step Solution

1. Step 1: Write the proportion equation
   72,059.74 : 99,413.86 = 48,148.54 : x
2. Step 2: Convert to fraction form
   72,059.74/99,413.86 = 48,148.54/x
3. Step 3: Cross multiply
   72,059.74x = 99,413.86 × 48,148.54
4. Step 4: Simplify right side
   72,059.74x = 4,786,632,214.76
5. Step 5: Solve for x
   x = 4,786,632,214.76/72,059.74
6. Step 6: Final answer
   x = 66,425.89