Finding the Fourth Proportional to 2,042.66, 2,818.86 and 1,111.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,042.66 : 2,818.86 = 1,111.16 : x
2. Step 2: Convert to fraction form
   2,042.66/2,818.86 = 1,111.16/x
3. Step 3: Cross multiply
   2,042.66x = 2,818.86 × 1,111.16
4. Step 4: Simplify right side
   2,042.66x = 3,132,204.48
5. Step 5: Solve for x
   x = 3,132,204.48/2,042.66
6. Step 6: Final answer
   x = 1,533.39