Finding the Fourth Proportional to 1,649.83, 2,469.88 and 1,100.65

Step by Step Solution

1. Step 1: Write the proportion equation
   1,649.83 : 2,469.88 = 1,100.65 : x
2. Step 2: Convert to fraction form
   1,649.83/2,469.88 = 1,100.65/x
3. Step 3: Cross multiply
   1,649.83x = 2,469.88 × 1,100.65
4. Step 4: Simplify right side
   1,649.83x = 2,718,473.42
5. Step 5: Solve for x
   x = 2,718,473.42/1,649.83
6. Step 6: Final answer
   x = 1,647.73