Finding the Fourth Proportional to 2,773.94, 4,160.46 and 825.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,773.94 : 4,160.46 = 825.69 : x
2. Step 2: Convert to fraction form
   2,773.94/4,160.46 = 825.69/x
3. Step 3: Cross multiply
   2,773.94x = 4,160.46 × 825.69
4. Step 4: Simplify right side
   2,773.94x = 3,435,246.09
5. Step 5: Solve for x
   x = 3,435,246.09/2,773.94
6. Step 6: Final answer
   x = 1,238.40