Finding the Fourth Proportional to 2,015.62, 3,023.56 and 1,042

Step by Step Solution

1. Step 1: Write the proportion equation
   2,015.62 : 3,023.56 = 1,042 : x
2. Step 2: Convert to fraction form
   2,015.62/3,023.56 = 1,042/x
3. Step 3: Cross multiply
   2,015.62x = 3,023.56 × 1,042
4. Step 4: Simplify right side
   2,015.62x = 3,150,549.52
5. Step 5: Solve for x
   x = 3,150,549.52/2,015.62
6. Step 6: Final answer
   x = 1,563.07