Finding the Fourth Proportional to 2,469.89, 3,703.52 and 825.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,469.89 : 3,703.52 = 825.90 : x
2. Step 2: Convert to fraction form
   2,469.89/3,703.52 = 825.90/x
3. Step 3: Cross multiply
   2,469.89x = 3,703.52 × 825.90
4. Step 4: Simplify right side
   2,469.89x = 3,058,725.34
5. Step 5: Solve for x
   x = 3,058,725.34/2,469.89
6. Step 6: Final answer
   x = 1,238.40