Finding the Fourth Proportional to 2,469.88, 3,704.06 and 826.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,469.88 : 3,704.06 = 826.05 : x
2. Step 2: Convert to fraction form
   2,469.88/3,704.06 = 826.05/x
3. Step 3: Cross multiply
   2,469.88x = 3,704.06 × 826.05
4. Step 4: Simplify right side
   2,469.88x = 3,059,738.76
5. Step 5: Solve for x
   x = 3,059,738.76/2,469.88
6. Step 6: Final answer
   x = 1,238.82