Finding the Fourth Proportional to 2,013.39, 3,019.86 and 552.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,013.39 : 3,019.86 = 552.33 : x
2. Step 2: Convert to fraction form
   2,013.39/3,019.86 = 552.33/x
3. Step 3: Cross multiply
   2,013.39x = 3,019.86 × 552.33
4. Step 4: Simplify right side
   2,013.39x = 1,667,959.27
5. Step 5: Solve for x
   x = 1,667,959.27/2,013.39
6. Step 6: Final answer
   x = 828.43