Finding the Fourth Proportional to 2,158.27, 3,238.02 and 697.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,158.27 : 3,238.02 = 697.43 : x
2. Step 2: Convert to fraction form
   2,158.27/3,238.02 = 697.43/x
3. Step 3: Cross multiply
   2,158.27x = 3,238.02 × 697.43
4. Step 4: Simplify right side
   2,158.27x = 2,258,300.38
5. Step 5: Solve for x
   x = 2,258,300.38/2,158.27
6. Step 6: Final answer
   x = 1,046.35