Finding the Fourth Proportional to 3,607.29, 5,411.72 and 1,108.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,607.29 : 5,411.72 = 1,108.49 : x
2. Step 2: Convert to fraction form
   3,607.29/5,411.72 = 1,108.49/x
3. Step 3: Cross multiply
   3,607.29x = 5,411.72 × 1,108.49
4. Step 4: Simplify right side
   3,607.29x = 5,998,804.90
5. Step 5: Solve for x
   x = 5,998,804.90/3,607.29
6. Step 6: Final answer
   x = 1,662.97