Finding the Fourth Proportional to 2,020.16, 3,030.42 and 559.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,020.16 : 3,030.42 = 559.32 : x
2. Step 2: Convert to fraction form
   2,020.16/3,030.42 = 559.32/x
3. Step 3: Cross multiply
   2,020.16x = 3,030.42 × 559.32
4. Step 4: Simplify right side
   2,020.16x = 1,694,974.51
5. Step 5: Solve for x
   x = 1,694,974.51/2,020.16
6. Step 6: Final answer
   x = 839.03