Finding the Fourth Proportional to 2,031.71, 3,047.29 and 570.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,031.71 : 3,047.29 = 570.98 : x
2. Step 2: Convert to fraction form
   2,031.71/3,047.29 = 570.98/x
3. Step 3: Cross multiply
   2,031.71x = 3,047.29 × 570.98
4. Step 4: Simplify right side
   2,031.71x = 1,739,947.83
5. Step 5: Solve for x
   x = 1,739,947.83/2,031.71
6. Step 6: Final answer
   x = 856.40