Finding the Fourth Proportional to 1,105.56, 1,658.52 and 375.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105.56 : 1,658.52 = 375.22 : x
2. Step 2: Convert to fraction form
   1,105.56/1,658.52 = 375.22/x
3. Step 3: Cross multiply
   1,105.56x = 1,658.52 × 375.22
4. Step 4: Simplify right side
   1,105.56x = 622,309.87
5. Step 5: Solve for x
   x = 622,309.87/1,105.56
6. Step 6: Final answer
   x = 562.89