Finding the Fourth Proportional to 2,042.18, 3,059.16 and 1,728.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,042.18 : 3,059.16 = 1,728.48 : x
2. Step 2: Convert to fraction form
   2,042.18/3,059.16 = 1,728.48/x
3. Step 3: Cross multiply
   2,042.18x = 3,059.16 × 1,728.48
4. Step 4: Simplify right side
   2,042.18x = 5,287,691.14
5. Step 5: Solve for x
   x = 5,287,691.14/2,042.18
6. Step 6: Final answer
   x = 2,589.24