Finding the Fourth Proportional to 2,814.56, 4,222.98 and 1,355

Step by Step Solution

1. Step 1: Write the proportion equation
   2,814.56 : 4,222.98 = 1,355 : x
2. Step 2: Convert to fraction form
   2,814.56/4,222.98 = 1,355/x
3. Step 3: Cross multiply
   2,814.56x = 4,222.98 × 1,355
4. Step 4: Simplify right side
   2,814.56x = 5,722,137.90
5. Step 5: Solve for x
   x = 5,722,137.90/2,814.56
6. Step 6: Final answer
   x = 2,033.05