Finding the Fourth Proportional to 2,262.34, 3,391.89 and 1,108.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,262.34 : 3,391.89 = 1,108.90 : x
2. Step 2: Convert to fraction form
   2,262.34/3,391.89 = 1,108.90/x
3. Step 3: Cross multiply
   2,262.34x = 3,391.89 × 1,108.90
4. Step 4: Simplify right side
   2,262.34x = 3,761,273.14
5. Step 5: Solve for x
   x = 3,761,273.14/2,262.34
6. Step 6: Final answer
   x = 1,662.56