Finding the Fourth Proportional to 2,354.82, 3,531.84 and 1,105.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,354.82 : 3,531.84 = 1,105.56 : x
2. Step 2: Convert to fraction form
   2,354.82/3,531.84 = 1,105.56/x
3. Step 3: Cross multiply
   2,354.82x = 3,531.84 × 1,105.56
4. Step 4: Simplify right side
   2,354.82x = 3,904,661.03
5. Step 5: Solve for x
   x = 3,904,661.03/2,354.82
6. Step 6: Final answer
   x = 1,658.16