Finding the Fourth Proportional to 2,469.89, 3,704.83 and 826.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,469.89 : 3,704.83 = 826.43 : x
2. Step 2: Convert to fraction form
   2,469.89/3,704.83 = 826.43/x
3. Step 3: Cross multiply
   2,469.89x = 3,704.83 × 826.43
4. Step 4: Simplify right side
   2,469.89x = 3,061,778.52
5. Step 5: Solve for x
   x = 3,061,778.52/2,469.89
6. Step 6: Final answer
   x = 1,239.64