Finding the Fourth Proportional to 3,016.89, 4,525.31 and 825.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,016.89 : 4,525.31 = 825.62 : x
2. Step 2: Convert to fraction form
   3,016.89/4,525.31 = 825.62/x
3. Step 3: Cross multiply
   3,016.89x = 4,525.31 × 825.62
4. Step 4: Simplify right side
   3,016.89x = 3,736,159.69
5. Step 5: Solve for x
   x = 3,736,159.69/3,016.89
6. Step 6: Final answer
   x = 1,238.41