Finding the Fourth Proportional to 93,018.72, 139,413.24 and 43,029.96

Step by Step Solution

1. Step 1: Write the proportion equation
   93,018.72 : 139,413.24 = 43,029.96 : x
2. Step 2: Convert to fraction form
   93,018.72/139,413.24 = 43,029.96/x
3. Step 3: Cross multiply
   93,018.72x = 139,413.24 × 43,029.96
4. Step 4: Simplify right side
   93,018.72x = 5,998,946,140.67
5. Step 5: Solve for x
   x = 5,998,946,140.67/93,018.72
6. Step 6: Final answer
   x = 64,491.82