Finding the Fourth Proportional to 22,479.18, 31,003.74 and 14,413.61

Step by Step Solution

1. Step 1: Write the proportion equation
   22,479.18 : 31,003.74 = 14,413.61 : x
2. Step 2: Convert to fraction form
   22,479.18/31,003.74 = 14,413.61/x
3. Step 3: Cross multiply
   22,479.18x = 31,003.74 × 14,413.61
4. Step 4: Simplify right side
   22,479.18x = 446,875,661.88
5. Step 5: Solve for x
   x = 446,875,661.88/22,479.18
6. Step 6: Final answer
   x = 19,879.54