Finding the Fourth Proportional to 1,105.58, 1,658.10 and 375.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105.58 : 1,658.10 = 375.23 : x
2. Step 2: Convert to fraction form
   1,105.58/1,658.10 = 375.23/x
3. Step 3: Cross multiply
   1,105.58x = 1,658.10 × 375.23
4. Step 4: Simplify right side
   1,105.58x = 622,174.42
5. Step 5: Solve for x
   x = 622,174.42/1,105.58
6. Step 6: Final answer
   x = 562.76