Finding the Fourth Proportional to 1,105.38, 1,658.16 and 1,076.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105.38 : 1,658.16 = 1,076.22 : x
2. Step 2: Convert to fraction form
   1,105.38/1,658.16 = 1,076.22/x
3. Step 3: Cross multiply
   1,105.38x = 1,658.16 × 1,076.22
4. Step 4: Simplify right side
   1,105.38x = 1,784,544.96
5. Step 5: Solve for x
   x = 1,784,544.96/1,105.38
6. Step 6: Final answer
   x = 1,614.42