Finding the Fourth Proportional to 551,496.32, 760,946.86 and 321,949.42

Step by Step Solution

1. Step 1: Write the proportion equation
   551,496.32 : 760,946.86 = 321,949.42 : x
2. Step 2: Convert to fraction form
   551,496.32/760,946.86 = 321,949.42/x
3. Step 3: Cross multiply
   551,496.32x = 760,946.86 × 321,949.42
4. Step 4: Simplify right side
   551,496.32x = 244,986,400,227.82
5. Step 5: Solve for x
   x = 244,986,400,227.82/551,496.32
6. Step 6: Final answer
   x = 444,221.28