Finding the Fourth Proportional to 322,568.47, 445,155.89 and 177,385.31

Step by Step Solution

1. Step 1: Write the proportion equation
   322,568.47 : 445,155.89 = 177,385.31 : x
2. Step 2: Convert to fraction form
   322,568.47/445,155.89 = 177,385.31/x
3. Step 3: Cross multiply
   322,568.47x = 445,155.89 × 177,385.31
4. Step 4: Simplify right side
   322,568.47x = 78,964,115,545.98
5. Step 5: Solve for x
   x = 78,964,115,545.98/322,568.47
6. Step 6: Final answer
   x = 244,798.00