Finding the Fourth Proportional to 2,020.45, 3,031.71 and 1,046.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,020.45 : 3,031.71 = 1,046.35 : x
2. Step 2: Convert to fraction form
   2,020.45/3,031.71 = 1,046.35/x
3. Step 3: Cross multiply
   2,020.45x = 3,031.71 × 1,046.35
4. Step 4: Simplify right side
   2,020.45x = 3,172,229.76
5. Step 5: Solve for x
   x = 3,172,229.76/2,020.45
6. Step 6: Final answer
   x = 1,570.06