Finding the Fourth Proportional to 2,013.28, 3,019.98 and 552.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,013.28 : 3,019.98 = 552.46 : x
2. Step 2: Convert to fraction form
   2,013.28/3,019.98 = 552.46/x
3. Step 3: Cross multiply
   2,013.28x = 3,019.98 × 552.46
4. Step 4: Simplify right side
   2,013.28x = 1,668,418.15
5. Step 5: Solve for x
   x = 1,668,418.15/2,013.28
6. Step 6: Final answer
   x = 828.71