Finding the Fourth Proportional to 2,016.52, 3,025.74 and 1,042.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.52 : 3,025.74 = 1,042.12 : x
2. Step 2: Convert to fraction form
   2,016.52/3,025.74 = 1,042.12/x
3. Step 3: Cross multiply
   2,016.52x = 3,025.74 × 1,042.12
4. Step 4: Simplify right side
   2,016.52x = 3,153,184.17
5. Step 5: Solve for x
   x = 3,153,184.17/2,016.52
6. Step 6: Final answer
   x = 1,563.68