Finding the Fourth Proportional to 608,406.50, 839,579.82 and 350,274.89

Step by Step Solution

1. Step 1: Write the proportion equation
   608,406.50 : 839,579.82 = 350,274.89 : x
2. Step 2: Convert to fraction form
   608,406.50/839,579.82 = 350,274.89/x
3. Step 3: Cross multiply
   608,406.50x = 839,579.82 × 350,274.89
4. Step 4: Simplify right side
   608,406.50x = 294,083,729,096.72
5. Step 5: Solve for x
   x = 294,083,729,096.72/608,406.50
6. Step 6: Final answer
   x = 483,367.17