Finding the Fourth Proportional to 2,095.38, 3,142.27 and 689.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,095.38 : 3,142.27 = 689.47 : x
2. Step 2: Convert to fraction form
   2,095.38/3,142.27 = 689.47/x
3. Step 3: Cross multiply
   2,095.38x = 3,142.27 × 689.47
4. Step 4: Simplify right side
   2,095.38x = 2,166,500.90
5. Step 5: Solve for x
   x = 2,166,500.90/2,095.38
6. Step 6: Final answer
   x = 1,033.94