Finding the Fourth Proportional to 2,042.28, 3,059.34 and 945.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,042.28 : 3,059.34 = 945.18 : x
2. Step 2: Convert to fraction form
   2,042.28/3,059.34 = 945.18/x
3. Step 3: Cross multiply
   2,042.28x = 3,059.34 × 945.18
4. Step 4: Simplify right side
   2,042.28x = 2,891,626.98
5. Step 5: Solve for x
   x = 2,891,626.98/2,042.28
6. Step 6: Final answer
   x = 1,415.88