Finding the Fourth Proportional to 2,019.94, 3,030.08 and 559.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.94 : 3,030.08 = 559.10 : x
2. Step 2: Convert to fraction form
   2,019.94/3,030.08 = 559.10/x
3. Step 3: Cross multiply
   2,019.94x = 3,030.08 × 559.10
4. Step 4: Simplify right side
   2,019.94x = 1,694,127.23
5. Step 5: Solve for x
   x = 1,694,127.23/2,019.94
6. Step 6: Final answer
   x = 838.70