Finding the Fourth Proportional to 335,839.83, 463,103.78 and 259,371.37

Step by Step Solution

1. Step 1: Write the proportion equation
   335,839.83 : 463,103.78 = 259,371.37 : x
2. Step 2: Convert to fraction form
   335,839.83/463,103.78 = 259,371.37/x
3. Step 3: Cross multiply
   335,839.83x = 463,103.78 × 259,371.37
4. Step 4: Simplify right side
   335,839.83x = 120,115,861,870.78
5. Step 5: Solve for x
   x = 120,115,861,870.78/335,839.83
6. Step 6: Final answer
   x = 357,658.18