Finding the Fourth Proportional to 2,773.37, 4,160.75 and 825.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,773.37 : 4,160.75 = 825.57 : x
2. Step 2: Convert to fraction form
   2,773.37/4,160.75 = 825.57/x
3. Step 3: Cross multiply
   2,773.37x = 4,160.75 × 825.57
4. Step 4: Simplify right side
   2,773.37x = 3,434,986.25
5. Step 5: Solve for x
   x = 3,434,986.25/2,773.37
6. Step 6: Final answer
   x = 1,238.56