Finding the Fourth Proportional to 139,413.33, 209,002.41 and 60,468.10

Step by Step Solution

1. Step 1: Write the proportion equation
   139,413.33 : 209,002.41 = 60,468.10 : x
2. Step 2: Convert to fraction form
   139,413.33/209,002.41 = 60,468.10/x
3. Step 3: Cross multiply
   139,413.33x = 209,002.41 × 60,468.10
4. Step 4: Simplify right side
   139,413.33x = 12,637,978,105.62
5. Step 5: Solve for x
   x = 12,637,978,105.62/139,413.33
6. Step 6: Final answer
   x = 90,651.15