Finding the Fourth Proportional to 2,042.88, 2,819.18 and 1,111.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,042.88 : 2,819.18 = 1,111.38 : x
2. Step 2: Convert to fraction form
   2,042.88/2,819.18 = 1,111.38/x
3. Step 3: Cross multiply
   2,042.88x = 2,819.18 × 1,111.38
4. Step 4: Simplify right side
   2,042.88x = 3,133,180.27
5. Step 5: Solve for x
   x = 3,133,180.27/2,042.88
6. Step 6: Final answer
   x = 1,533.71