Finding the Fourth Proportional to 322,413.09, 444,894.72 and 186,426.45

Step by Step Solution

1. Step 1: Write the proportion equation
   322,413.09 : 444,894.72 = 186,426.45 : x
2. Step 2: Convert to fraction form
   322,413.09/444,894.72 = 186,426.45/x
3. Step 3: Cross multiply
   322,413.09x = 444,894.72 × 186,426.45
4. Step 4: Simplify right side
   322,413.09x = 82,940,143,273.34
5. Step 5: Solve for x
   x = 82,940,143,273.34/322,413.09
6. Step 6: Final answer
   x = 257,248.06