Finding the Fourth Proportional to 2,015.52, 3,023.94 and 1,042.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,015.52 : 3,023.94 = 1,042.32 : x
2. Step 2: Convert to fraction form
   2,015.52/3,023.94 = 1,042.32/x
3. Step 3: Cross multiply
   2,015.52x = 3,023.94 × 1,042.32
4. Step 4: Simplify right side
   2,015.52x = 3,151,913.14
5. Step 5: Solve for x
   x = 3,151,913.14/2,015.52
6. Step 6: Final answer
   x = 1,563.82