Finding the Fourth Proportional to 495,792.78, 743,689.42 and 327,273.72

Step by Step Solution

1. Step 1: Write the proportion equation
   495,792.78 : 743,689.42 = 327,273.72 : x
2. Step 2: Convert to fraction form
   495,792.78/743,689.42 = 327,273.72/x
3. Step 3: Cross multiply
   495,792.78x = 743,689.42 × 327,273.72
4. Step 4: Simplify right side
   495,792.78x = 243,390,002,189.86
5. Step 5: Solve for x
   x = 243,390,002,189.86/495,792.78
6. Step 6: Final answer
   x = 490,910.74