Finding the Fourth Proportional to 92,959, 139,413.57 and 40,355.98

Step by Step Solution

1. Step 1: Write the proportion equation
   92,959 : 139,413.57 = 40,355.98 : x
2. Step 2: Convert to fraction form
   92,959/139,413.57 = 40,355.98/x
3. Step 3: Cross multiply
   92,959x = 139,413.57 × 40,355.98
4. Step 4: Simplify right side
   92,959x = 5,626,171,242.65
5. Step 5: Solve for x
   x = 5,626,171,242.65/92,959
6. Step 6: Final answer
   x = 60,523.15