Finding the Fourth Proportional to 2,468.89, 3,703.25 and 825.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,468.89 : 3,703.25 = 825.40 : x
2. Step 2: Convert to fraction form
   2,468.89/3,703.25 = 825.40/x
3. Step 3: Cross multiply
   2,468.89x = 3,703.25 × 825.40
4. Step 4: Simplify right side
   2,468.89x = 3,056,662.55
5. Step 5: Solve for x
   x = 3,056,662.55/2,468.89
6. Step 6: Final answer
   x = 1,238.07