Finding the Fourth Proportional to 2,019.86, 3,029.73 and 559.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.86 : 3,029.73 = 559.01 : x
2. Step 2: Convert to fraction form
   2,019.86/3,029.73 = 559.01/x
3. Step 3: Cross multiply
   2,019.86x = 3,029.73 × 559.01
4. Step 4: Simplify right side
   2,019.86x = 1,693,649.37
5. Step 5: Solve for x
   x = 1,693,649.37/2,019.86
6. Step 6: Final answer
   x = 838.50