Finding the Fourth Proportional to 3,604.34, 5,404.58 and 1,105.09

Step by Step Solution

1. Step 1: Write the proportion equation
   3,604.34 : 5,404.58 = 1,105.09 : x
2. Step 2: Convert to fraction form
   3,604.34/5,404.58 = 1,105.09/x
3. Step 3: Cross multiply
   3,604.34x = 5,404.58 × 1,105.09
4. Step 4: Simplify right side
   3,604.34x = 5,972,520.29
5. Step 5: Solve for x
   x = 5,972,520.29/3,604.34
6. Step 6: Final answer
   x = 1,657.04