Finding the Fourth Proportional to 2,019.88, 3,029.81 and 559.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.88 : 3,029.81 = 559.02 : x
2. Step 2: Convert to fraction form
   2,019.88/3,029.81 = 559.02/x
3. Step 3: Cross multiply
   2,019.88x = 3,029.81 × 559.02
4. Step 4: Simplify right side
   2,019.88x = 1,693,730.56
5. Step 5: Solve for x
   x = 1,693,730.56/2,019.88
6. Step 6: Final answer
   x = 838.53