Finding the Fourth Proportional to 2,819.25, 3,890.52 and 2,222.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,819.25 : 3,890.52 = 2,222.37 : x
2. Step 2: Convert to fraction form
   2,819.25/3,890.52 = 2,222.37/x
3. Step 3: Cross multiply
   2,819.25x = 3,890.52 × 2,222.37
4. Step 4: Simplify right side
   2,819.25x = 8,646,174.93
5. Step 5: Solve for x
   x = 8,646,174.93/2,819.25
6. Step 6: Final answer
   x = 3,066.84