Finding the Fourth Proportional to 2,042.65, 3,057.45 and 1,104.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,042.65 : 3,057.45 = 1,104.31 : x
2. Step 2: Convert to fraction form
   2,042.65/3,057.45 = 1,104.31/x
3. Step 3: Cross multiply
   2,042.65x = 3,057.45 × 1,104.31
4. Step 4: Simplify right side
   2,042.65x = 3,376,372.61
5. Step 5: Solve for x
   x = 3,376,372.61/2,042.65
6. Step 6: Final answer
   x = 1,652.94