Finding the Fourth Proportional to 2,031.46, 3,046.91 and 570.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,031.46 : 3,046.91 = 570.72 : x
2. Step 2: Convert to fraction form
   2,031.46/3,046.91 = 570.72/x
3. Step 3: Cross multiply
   2,031.46x = 3,046.91 × 570.72
4. Step 4: Simplify right side
   2,031.46x = 1,738,932.48
5. Step 5: Solve for x
   x = 1,738,932.48/2,031.46
6. Step 6: Final answer
   x = 856.00