Finding the Fourth Proportional to 576,111.89, 794,915.69 and 331,049.30

Step by Step Solution

1. Step 1: Write the proportion equation
   576,111.89 : 794,915.69 = 331,049.30 : x
2. Step 2: Convert to fraction form
   576,111.89/794,915.69 = 331,049.30/x
3. Step 3: Cross multiply
   576,111.89x = 794,915.69 × 331,049.30
4. Step 4: Simplify right side
   576,111.89x = 263,156,282,567.50
5. Step 5: Solve for x
   x = 263,156,282,567.50/576,111.89
6. Step 6: Final answer
   x = 456,779.82