Finding the Fourth Proportional to 1,104.48, 1,657.40 and 1,095.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,104.48 : 1,657.40 = 1,095.72 : x
2. Step 2: Convert to fraction form
   1,104.48/1,657.40 = 1,095.72/x
3. Step 3: Cross multiply
   1,104.48x = 1,657.40 × 1,095.72
4. Step 4: Simplify right side
   1,104.48x = 1,816,046.33
5. Step 5: Solve for x
   x = 1,816,046.33/1,104.48
6. Step 6: Final answer
   x = 1,644.25