Finding the Fourth Proportional to 1,456.98, 2,185.47 and 361.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456.98 : 2,185.47 = 361.34 : x
2. Step 2: Convert to fraction form
   1,456.98/2,185.47 = 361.34/x
3. Step 3: Cross multiply
   1,456.98x = 2,185.47 × 361.34
4. Step 4: Simplify right side
   1,456.98x = 789,693.17
5. Step 5: Solve for x
   x = 789,693.17/1,456.98
6. Step 6: Final answer
   x = 542.01