Finding the Fourth Proportional to 2,855.72, 4,284.04 and 1,296.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,855.72 : 4,284.04 = 1,296.42 : x
2. Step 2: Convert to fraction form
   2,855.72/4,284.04 = 1,296.42/x
3. Step 3: Cross multiply
   2,855.72x = 4,284.04 × 1,296.42
4. Step 4: Simplify right side
   2,855.72x = 5,553,915.14
5. Step 5: Solve for x
   x = 5,553,915.14/2,855.72
6. Step 6: Final answer
   x = 1,944.84