Finding the Fourth Proportional to 2,012.94, 3,019.31 and 552.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.94 : 3,019.31 = 552.10 : x
2. Step 2: Convert to fraction form
   2,012.94/3,019.31 = 552.10/x
3. Step 3: Cross multiply
   2,012.94x = 3,019.31 × 552.10
4. Step 4: Simplify right side
   2,012.94x = 1,666,961.05
5. Step 5: Solve for x
   x = 1,666,961.05/2,012.94
6. Step 6: Final answer
   x = 828.12