Finding the Fourth Proportional to 2,020.41, 3,031.56 and 1,045.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,020.41 : 3,031.56 = 1,045.98 : x
2. Step 2: Convert to fraction form
   2,020.41/3,031.56 = 1,045.98/x
3. Step 3: Cross multiply
   2,020.41x = 3,031.56 × 1,045.98
4. Step 4: Simplify right side
   2,020.41x = 3,170,951.13
5. Step 5: Solve for x
   x = 3,170,951.13/2,020.41
6. Step 6: Final answer
   x = 1,569.46