Finding the Fourth Proportional to 1,367.74, 2,047.42 and 1,105.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,367.74 : 2,047.42 = 1,105.30 : x
2. Step 2: Convert to fraction form
   1,367.74/2,047.42 = 1,105.30/x
3. Step 3: Cross multiply
   1,367.74x = 2,047.42 × 1,105.30
4. Step 4: Simplify right side
   1,367.74x = 2,263,013.33
5. Step 5: Solve for x
   x = 2,263,013.33/1,367.74
6. Step 6: Final answer
   x = 1,654.56