Finding the Fourth Proportional to 2,031.33, 3,047.18 and 570.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,031.33 : 3,047.18 = 570.47 : x
2. Step 2: Convert to fraction form
   2,031.33/3,047.18 = 570.47/x
3. Step 3: Cross multiply
   2,031.33x = 3,047.18 × 570.47
4. Step 4: Simplify right side
   2,031.33x = 1,738,324.77
5. Step 5: Solve for x
   x = 1,738,324.77/2,031.33
6. Step 6: Final answer
   x = 855.76