Finding the Fourth Proportional to 496,939.76, 685,773.96 and 270,584.72

Step by Step Solution

1. Step 1: Write the proportion equation
   496,939.76 : 685,773.96 = 270,584.72 : x
2. Step 2: Convert to fraction form
   496,939.76/685,773.96 = 270,584.72/x
3. Step 3: Cross multiply
   496,939.76x = 685,773.96 × 270,584.72
4. Step 4: Simplify right side
   496,939.76x = 185,559,954,949.89
5. Step 5: Solve for x
   x = 185,559,954,949.89/496,939.76
6. Step 6: Final answer
   x = 373,405.33