Finding the Fourth Proportional to 331,423.98, 494,632.16 and 308,951.34

Step by Step Solution

1. Step 1: Write the proportion equation
   331,423.98 : 494,632.16 = 308,951.34 : x
2. Step 2: Convert to fraction form
   331,423.98/494,632.16 = 308,951.34/x
3. Step 3: Cross multiply
   331,423.98x = 494,632.16 × 308,951.34
4. Step 4: Simplify right side
   331,423.98x = 152,817,267,094.34
5. Step 5: Solve for x
   x = 152,817,267,094.34/331,423.98
6. Step 6: Final answer
   x = 461,092.97