Finding the Fourth Proportional to 3,445.48, 5,168.38 and 1,105.58

Step by Step Solution

1. Step 1: Write the proportion equation
   3,445.48 : 5,168.38 = 1,105.58 : x
2. Step 2: Convert to fraction form
   3,445.48/5,168.38 = 1,105.58/x
3. Step 3: Cross multiply
   3,445.48x = 5,168.38 × 1,105.58
4. Step 4: Simplify right side
   3,445.48x = 5,714,057.56
5. Step 5: Solve for x
   x = 5,714,057.56/3,445.48
6. Step 6: Final answer
   x = 1,658.42