Finding the Fourth Proportional to 1,055.33, 1,582.49 and 361.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,055.33 : 1,582.49 = 361.82 : x
2. Step 2: Convert to fraction form
   1,055.33/1,582.49 = 361.82/x
3. Step 3: Cross multiply
   1,055.33x = 1,582.49 × 361.82
4. Step 4: Simplify right side
   1,055.33x = 572,570.46
5. Step 5: Solve for x
   x = 572,570.46/1,055.33
6. Step 6: Final answer
   x = 542.55