Finding the Fourth Proportional to 2,469.76, 3,703.86 and 826.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,469.76 : 3,703.86 = 826.00 : x
2. Step 2: Convert to fraction form
   2,469.76/3,703.86 = 826.00/x
3. Step 3: Cross multiply
   2,469.76x = 3,703.86 × 826.00
4. Step 4: Simplify right side
   2,469.76x = 3,059,379.10
5. Step 5: Solve for x
   x = 3,059,379.10/2,469.76
6. Step 6: Final answer
   x = 1,238.74