Finding the Fourth Proportional to 1,105.82, 1,658.73 and 375.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105.82 : 1,658.73 = 375.38 : x
2. Step 2: Convert to fraction form
   1,105.82/1,658.73 = 375.38/x
3. Step 3: Cross multiply
   1,105.82x = 1,658.73 × 375.38
4. Step 4: Simplify right side
   1,105.82x = 622,660.62
5. Step 5: Solve for x
   x = 622,660.62/1,105.82
6. Step 6: Final answer
   x = 563.08