Finding the Fourth Proportional to 3,016.88, 4,524.84 and 825.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,016.88 : 4,524.84 = 825.78 : x
2. Step 2: Convert to fraction form
   3,016.88/4,524.84 = 825.78/x
3. Step 3: Cross multiply
   3,016.88x = 4,524.84 × 825.78
4. Step 4: Simplify right side
   3,016.88x = 3,736,522.38
5. Step 5: Solve for x
   x = 3,736,522.38/3,016.88
6. Step 6: Final answer
   x = 1,238.54