Finding the Fourth Proportional to 2,674.91, 4,012.92 and 825.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,674.91 : 4,012.92 = 825.98 : x
2. Step 2: Convert to fraction form
   2,674.91/4,012.92 = 825.98/x
3. Step 3: Cross multiply
   2,674.91x = 4,012.92 × 825.98
4. Step 4: Simplify right side
   2,674.91x = 3,314,601.69
5. Step 5: Solve for x
   x = 3,314,601.69/2,674.91
6. Step 6: Final answer
   x = 1,239.15