Finding the Fourth Proportional to 42,280.09, 63,413.04 and 14,196.98

Step by Step Solution

1. Step 1: Write the proportion equation
   42,280.09 : 63,413.04 = 14,196.98 : x
2. Step 2: Convert to fraction form
   42,280.09/63,413.04 = 14,196.98/x
3. Step 3: Cross multiply
   42,280.09x = 63,413.04 × 14,196.98
4. Step 4: Simplify right side
   42,280.09x = 900,273,660.62
5. Step 5: Solve for x
   x = 900,273,660.62/42,280.09
6. Step 6: Final answer
   x = 21,293.09