Finding the Fourth Proportional to 2,016.45, 3,025.71 and 1,042.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.45 : 3,025.71 = 1,042.34 : x
2. Step 2: Convert to fraction form
   2,016.45/3,025.71 = 1,042.34/x
3. Step 3: Cross multiply
   2,016.45x = 3,025.71 × 1,042.34
4. Step 4: Simplify right side
   2,016.45x = 3,153,803.43
5. Step 5: Solve for x
   x = 3,153,803.43/2,016.45
6. Step 6: Final answer
   x = 1,564.04