Finding the Fourth Proportional to 383,563.29, 574,493.71 and 248,192.10

Step by Step Solution

1. Step 1: Write the proportion equation
   383,563.29 : 574,493.71 = 248,192.10 : x
2. Step 2: Convert to fraction form
   383,563.29/574,493.71 = 248,192.10/x
3. Step 3: Cross multiply
   383,563.29x = 574,493.71 × 248,192.10
4. Step 4: Simplify right side
   383,563.29x = 142,584,800,321.69
5. Step 5: Solve for x
   x = 142,584,800,321.69/383,563.29
6. Step 6: Final answer
   x = 371,737.35