Finding the Fourth Proportional to 2,020.78, 3,031.16 and 1,746.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,020.78 : 3,031.16 = 1,746.03 : x
2. Step 2: Convert to fraction form
   2,020.78/3,031.16 = 1,746.03/x
3. Step 3: Cross multiply
   2,020.78x = 3,031.16 × 1,746.03
4. Step 4: Simplify right side
   2,020.78x = 5,292,496.29
5. Step 5: Solve for x
   x = 5,292,496.29/2,020.78
6. Step 6: Final answer
   x = 2,619.04