Finding the Fourth Proportional to 2,020.18, 3,031.89 and 1,046.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,020.18 : 3,031.89 = 1,046.56 : x
2. Step 2: Convert to fraction form
   2,020.18/3,031.89 = 1,046.56/x
3. Step 3: Cross multiply
   2,020.18x = 3,031.89 × 1,046.56
4. Step 4: Simplify right side
   2,020.18x = 3,173,054.80
5. Step 5: Solve for x
   x = 3,173,054.80/2,020.18
6. Step 6: Final answer
   x = 1,570.68