Finding the Fourth Proportional to 2,825.25, 4,238.06 and 773.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,825.25 : 4,238.06 = 773.25 : x
2. Step 2: Convert to fraction form
   2,825.25/4,238.06 = 773.25/x
3. Step 3: Cross multiply
   2,825.25x = 4,238.06 × 773.25
4. Step 4: Simplify right side
   2,825.25x = 3,277,076.03
5. Step 5: Solve for x
   x = 3,277,076.03/2,825.25
6. Step 6: Final answer
   x = 1,159.92