Finding the Fourth Proportional to 2,043.39, 2,819.87 and 1,111.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,043.39 : 2,819.87 = 1,111.89 : x
2. Step 2: Convert to fraction form
   2,043.39/2,819.87 = 1,111.89/x
3. Step 3: Cross multiply
   2,043.39x = 2,819.87 × 1,111.89
4. Step 4: Simplify right side
   2,043.39x = 3,135,379.69
5. Step 5: Solve for x
   x = 3,135,379.69/2,043.39
6. Step 6: Final answer
   x = 1,534.40