Finding the Fourth Proportional to 322,144.83, 444,782.27 and 201,340.42

Step by Step Solution

1. Step 1: Write the proportion equation
   322,144.83 : 444,782.27 = 201,340.42 : x
2. Step 2: Convert to fraction form
   322,144.83/444,782.27 = 201,340.42/x
3. Step 3: Cross multiply
   322,144.83x = 444,782.27 × 201,340.42
4. Step 4: Simplify right side
   322,144.83x = 89,552,645,819.74
5. Step 5: Solve for x
   x = 89,552,645,819.74/322,144.83
6. Step 6: Final answer
   x = 277,988.77