Finding the Fourth Proportional to 2,021.29, 3,031.71 and 704.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,021.29 : 3,031.71 = 704.82 : x
2. Step 2: Convert to fraction form
   2,021.29/3,031.71 = 704.82/x
3. Step 3: Cross multiply
   2,021.29x = 3,031.71 × 704.82
4. Step 4: Simplify right side
   2,021.29x = 2,136,806.32
5. Step 5: Solve for x
   x = 2,136,806.32/2,021.29
6. Step 6: Final answer
   x = 1,057.15