Finding the Fourth Proportional to 2,019.44, 3,029.18 and 558.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.44 : 3,029.18 = 558.71 : x
2. Step 2: Convert to fraction form
   2,019.44/3,029.18 = 558.71/x
3. Step 3: Cross multiply
   2,019.44x = 3,029.18 × 558.71
4. Step 4: Simplify right side
   2,019.44x = 1,692,429.72
5. Step 5: Solve for x
   x = 1,692,429.72/2,019.44
6. Step 6: Final answer
   x = 838.07