Finding the Fourth Proportional to 1,105.52, 1,658.16 and 375.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105.52 : 1,658.16 = 375.12 : x
2. Step 2: Convert to fraction form
   1,105.52/1,658.16 = 375.12/x
3. Step 3: Cross multiply
   1,105.52x = 1,658.16 × 375.12
4. Step 4: Simplify right side
   1,105.52x = 622,008.98
5. Step 5: Solve for x
   x = 622,008.98/1,105.52
6. Step 6: Final answer
   x = 562.64