Finding the Fourth Proportional to 329,885.79, 455,669.46 and 244,019.31

Step by Step Solution

1. Step 1: Write the proportion equation
   329,885.79 : 455,669.46 = 244,019.31 : x
2. Step 2: Convert to fraction form
   329,885.79/455,669.46 = 244,019.31/x
3. Step 3: Cross multiply
   329,885.79x = 455,669.46 × 244,019.31
4. Step 4: Simplify right side
   329,885.79x = 111,192,147,217.27
5. Step 5: Solve for x
   x = 111,192,147,217.27/329,885.79
6. Step 6: Final answer
   x = 337,062.55