Finding the Fourth Proportional to 2,470.05, 3,704.94 and 826.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,470.05 : 3,704.94 = 826.43 : x
2. Step 2: Convert to fraction form
   2,470.05/3,704.94 = 826.43/x
3. Step 3: Cross multiply
   2,470.05x = 3,704.94 × 826.43
4. Step 4: Simplify right side
   2,470.05x = 3,061,855.04
5. Step 5: Solve for x
   x = 3,061,855.04/2,470.05
6. Step 6: Final answer
   x = 1,239.59