Finding the Fourth Proportional to 2,469.20, 3,704.00 and 826.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,469.20 : 3,704.00 = 826.11 : x
2. Step 2: Convert to fraction form
   2,469.20/3,704.00 = 826.11/x
3. Step 3: Cross multiply
   2,469.20x = 3,704.00 × 826.11
4. Step 4: Simplify right side
   2,469.20x = 3,059,907.31
5. Step 5: Solve for x
   x = 3,059,907.31/2,469.20
6. Step 6: Final answer
   x = 1,239.23