Finding the Fourth Proportional to 2,016.78, 3,024.84 and 556.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.78 : 3,024.84 = 556.02 : x
2. Step 2: Convert to fraction form
   2,016.78/3,024.84 = 556.02/x
3. Step 3: Cross multiply
   2,016.78x = 3,024.84 × 556.02
4. Step 4: Simplify right side
   2,016.78x = 1,681,871.54
5. Step 5: Solve for x
   x = 1,681,871.54/2,016.78
6. Step 6: Final answer
   x = 833.94