Finding the Fourth Proportional to 16,865.04, 23,273.76 and 9,413.04

Step by Step Solution

1. Step 1: Write the proportion equation
   16,865.04 : 23,273.76 = 9,413.04 : x
2. Step 2: Convert to fraction form
   16,865.04/23,273.76 = 9,413.04/x
3. Step 3: Cross multiply
   16,865.04x = 23,273.76 × 9,413.04
4. Step 4: Simplify right side
   16,865.04x = 219,076,833.83
5. Step 5: Solve for x
   x = 219,076,833.83/16,865.04
6. Step 6: Final answer
   x = 12,990.00