Finding the Fourth Proportional to 2,042.89, 2,819.19 and 1,111.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,042.89 : 2,819.19 = 1,111.39 : x
2. Step 2: Convert to fraction form
   2,042.89/2,819.19 = 1,111.39/x
3. Step 3: Cross multiply
   2,042.89x = 2,819.19 × 1,111.39
4. Step 4: Simplify right side
   2,042.89x = 3,133,219.57
5. Step 5: Solve for x
   x = 3,133,219.57/2,042.89
6. Step 6: Final answer
   x = 1,533.72