Finding the Fourth Proportional to 2,815.98, 4,222.17 and 1,352.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,815.98 : 4,222.17 = 1,352.22 : x
2. Step 2: Convert to fraction form
   2,815.98/4,222.17 = 1,352.22/x
3. Step 3: Cross multiply
   2,815.98x = 4,222.17 × 1,352.22
4. Step 4: Simplify right side
   2,815.98x = 5,709,302.72
5. Step 5: Solve for x
   x = 5,709,302.72/2,815.98
6. Step 6: Final answer
   x = 2,027.47