Finding the Fourth Proportional to 2,013.52, 3,020.32 and 552.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,013.52 : 3,020.32 = 552.72 : x
2. Step 2: Convert to fraction form
   2,013.52/3,020.32 = 552.72/x
3. Step 3: Cross multiply
   2,013.52x = 3,020.32 × 552.72
4. Step 4: Simplify right side
   2,013.52x = 1,669,391.27
5. Step 5: Solve for x
   x = 1,669,391.27/2,013.52
6. Step 6: Final answer
   x = 829.09