Finding the Fourth Proportional to 2,635.29, 3,951.83 and 1,074.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,635.29 : 3,951.83 = 1,074.23 : x
2. Step 2: Convert to fraction form
   2,635.29/3,951.83 = 1,074.23/x
3. Step 3: Cross multiply
   2,635.29x = 3,951.83 × 1,074.23
4. Step 4: Simplify right side
   2,635.29x = 4,245,149.21
5. Step 5: Solve for x
   x = 4,245,149.21/2,635.29
6. Step 6: Final answer
   x = 1,610.89