Finding the Fourth Proportional to 483,096.52, 721,391.63 and 394,525.72

Step by Step Solution

1. Step 1: Write the proportion equation
   483,096.52 : 721,391.63 = 394,525.72 : x
2. Step 2: Convert to fraction form
   483,096.52/721,391.63 = 394,525.72/x
3. Step 3: Cross multiply
   483,096.52x = 721,391.63 × 394,525.72
4. Step 4: Simplify right side
   483,096.52x = 284,607,552,227.72
5. Step 5: Solve for x
   x = 284,607,552,227.72/483,096.52
6. Step 6: Final answer
   x = 589,131.86