Finding the Fourth Proportional to 498,050.62, 687,308.42 and 271,694.50

Step by Step Solution

1. Step 1: Write the proportion equation
   498,050.62 : 687,308.42 = 271,694.50 : x
2. Step 2: Convert to fraction form
   498,050.62/687,308.42 = 271,694.50/x
3. Step 3: Cross multiply
   498,050.62x = 687,308.42 × 271,694.50
4. Step 4: Simplify right side
   498,050.62x = 186,737,917,517.69
5. Step 5: Solve for x
   x = 186,737,917,517.69/498,050.62
6. Step 6: Final answer
   x = 374,937.63