Finding the Fourth Proportional to 597,103.72, 823,965.78 and 328,831.72

Step by Step Solution

1. Step 1: Write the proportion equation
   597,103.72 : 823,965.78 = 328,831.72 : x
2. Step 2: Convert to fraction form
   597,103.72/823,965.78 = 328,831.72/x
3. Step 3: Cross multiply
   597,103.72x = 823,965.78 × 328,831.72
4. Step 4: Simplify right side
   597,103.72x = 270,946,084,658.54
5. Step 5: Solve for x
   x = 270,946,084,658.54/597,103.72
6. Step 6: Final answer
   x = 453,767.20