Finding the Fourth Proportional to 2,019.38, 3,029.12 and 558.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.38 : 3,029.12 = 558.58 : x
2. Step 2: Convert to fraction form
   2,019.38/3,029.12 = 558.58/x
3. Step 3: Cross multiply
   2,019.38x = 3,029.12 × 558.58
4. Step 4: Simplify right side
   2,019.38x = 1,692,005.85
5. Step 5: Solve for x
   x = 1,692,005.85/2,019.38
6. Step 6: Final answer
   x = 837.88