Finding the Fourth Proportional to 2,174.38, 3,261.56 and 614.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,174.38 : 3,261.56 = 614.42 : x
2. Step 2: Convert to fraction form
   2,174.38/3,261.56 = 614.42/x
3. Step 3: Cross multiply
   2,174.38x = 3,261.56 × 614.42
4. Step 4: Simplify right side
   2,174.38x = 2,003,952.92
5. Step 5: Solve for x
   x = 2,003,952.92/2,174.38
6. Step 6: Final answer
   x = 921.62