Finding the Fourth Proportional to 1,456.05, 2,184.05 and 360.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456.05 : 2,184.05 = 360.42 : x
2. Step 2: Convert to fraction form
   1,456.05/2,184.05 = 360.42/x
3. Step 3: Cross multiply
   1,456.05x = 2,184.05 × 360.42
4. Step 4: Simplify right side
   1,456.05x = 787,164.38
5. Step 5: Solve for x
   x = 787,164.38/1,456.05
6. Step 6: Final answer
   x = 540.62