Finding the Fourth Proportional to 2,819.33, 4,229.93 and 1,358.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,819.33 : 4,229.93 = 1,358.31 : x
2. Step 2: Convert to fraction form
   2,819.33/4,229.93 = 1,358.31/x
3. Step 3: Cross multiply
   2,819.33x = 4,229.93 × 1,358.31
4. Step 4: Simplify right side
   2,819.33x = 5,745,556.22
5. Step 5: Solve for x
   x = 5,745,556.22/2,819.33
6. Step 6: Final answer
   x = 2,037.92