Finding the Fourth Proportional to 2,142.43, 3,214.67 and 1,046.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142.43 : 3,214.67 = 1,046.18 : x
2. Step 2: Convert to fraction form
   2,142.43/3,214.67 = 1,046.18/x
3. Step 3: Cross multiply
   2,142.43x = 3,214.67 × 1,046.18
4. Step 4: Simplify right side
   2,142.43x = 3,363,126.27
5. Step 5: Solve for x
   x = 3,363,126.27/2,142.43
6. Step 6: Final answer
   x = 1,569.77