Finding the Fourth Proportional to 2,013.56, 3,019.99 and 552.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,013.56 : 3,019.99 = 552.45 : x
2. Step 2: Convert to fraction form
   2,013.56/3,019.99 = 552.45/x
3. Step 3: Cross multiply
   2,013.56x = 3,019.99 × 552.45
4. Step 4: Simplify right side
   2,013.56x = 1,668,393.48
5. Step 5: Solve for x
   x = 1,668,393.48/2,013.56
6. Step 6: Final answer
   x = 828.58