Finding the Fourth Proportional to 2,855.56, 4,279.15 and 1,296.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,855.56 : 4,279.15 = 1,296.04 : x
2. Step 2: Convert to fraction form
   2,855.56/4,279.15 = 1,296.04/x
3. Step 3: Cross multiply
   2,855.56x = 4,279.15 × 1,296.04
4. Step 4: Simplify right side
   2,855.56x = 5,545,949.57
5. Step 5: Solve for x
   x = 5,545,949.57/2,855.56
6. Step 6: Final answer
   x = 1,942.16