Finding the Fourth Proportional to 2,469.76, 3,704.29 and 826.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,469.76 : 3,704.29 = 826.27 : x
2. Step 2: Convert to fraction form
   2,469.76/3,704.29 = 826.27/x
3. Step 3: Cross multiply
   2,469.76x = 3,704.29 × 826.27
4. Step 4: Simplify right side
   2,469.76x = 3,060,743.70
5. Step 5: Solve for x
   x = 3,060,743.70/2,469.76
6. Step 6: Final answer
   x = 1,239.29