Finding the Fourth Proportional to 2,020.10, 3,029.82 and 559.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,020.10 : 3,029.82 = 559.40 : x
2. Step 2: Convert to fraction form
   2,020.10/3,029.82 = 559.40/x
3. Step 3: Cross multiply
   2,020.10x = 3,029.82 × 559.40
4. Step 4: Simplify right side
   2,020.10x = 1,694,886.78
5. Step 5: Solve for x
   x = 1,694,886.78/2,020.10
6. Step 6: Final answer
   x = 839.01