Finding the Fourth Proportional to 496,490.50, 685,167.83 and 270,136

Step by Step Solution

1. Step 1: Write the proportion equation
   496,490.50 : 685,167.83 = 270,136 : x
2. Step 2: Convert to fraction form
   496,490.50/685,167.83 = 270,136/x
3. Step 3: Cross multiply
   496,490.50x = 685,167.83 × 270,136
4. Step 4: Simplify right side
   496,490.50x = 185,088,496,924.88
5. Step 5: Solve for x
   x = 185,088,496,924.88/496,490.50
6. Step 6: Final answer
   x = 372,793.63