Finding the Fourth Proportional to 383,949.72, 529,603.92 and 233,046.72

Step by Step Solution

1. Step 1: Write the proportion equation
   383,949.72 : 529,603.92 = 233,046.72 : x
2. Step 2: Convert to fraction form
   383,949.72/529,603.92 = 233,046.72/x
3. Step 3: Cross multiply
   383,949.72x = 529,603.92 × 233,046.72
4. Step 4: Simplify right side
   383,949.72x = 123,422,456,455.14
5. Step 5: Solve for x
   x = 123,422,456,455.14/383,949.72
6. Step 6: Final answer
   x = 321,454.74