Finding the Fourth Proportional to 1,100.65, 1,649.32 and 1,073.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.65 : 1,649.32 = 1,073.49 : x
2. Step 2: Convert to fraction form
   1,100.65/1,649.32 = 1,073.49/x
3. Step 3: Cross multiply
   1,100.65x = 1,649.32 × 1,073.49
4. Step 4: Simplify right side
   1,100.65x = 1,770,528.53
5. Step 5: Solve for x
   x = 1,770,528.53/1,100.65
6. Step 6: Final answer
   x = 1,608.62