Finding the Fourth Proportional to 2,013.55, 3,019.97 and 552.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,013.55 : 3,019.97 = 552.35 : x
2. Step 2: Convert to fraction form
   2,013.55/3,019.97 = 552.35/x
3. Step 3: Cross multiply
   2,013.55x = 3,019.97 × 552.35
4. Step 4: Simplify right side
   2,013.55x = 1,668,080.43
5. Step 5: Solve for x
   x = 1,668,080.43/2,013.55
6. Step 6: Final answer
   x = 828.43