Finding the Fourth Proportional to 2,031.31, 3,046.94 and 570.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,031.31 : 3,046.94 = 570.38 : x
2. Step 2: Convert to fraction form
   2,031.31/3,046.94 = 570.38/x
3. Step 3: Cross multiply
   2,031.31x = 3,046.94 × 570.38
4. Step 4: Simplify right side
   2,031.31x = 1,737,910.79
5. Step 5: Solve for x
   x = 1,737,910.79/2,031.31
6. Step 6: Final answer
   x = 855.56