Finding the Fourth Proportional to 1,796.33, 2,689.28 and 1,100.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,796.33 : 2,689.28 = 1,100.89 : x
2. Step 2: Convert to fraction form
   1,796.33/2,689.28 = 1,100.89/x
3. Step 3: Cross multiply
   1,796.33x = 2,689.28 × 1,100.89
4. Step 4: Simplify right side
   1,796.33x = 2,960,600.35
5. Step 5: Solve for x
   x = 2,960,600.35/1,796.33
6. Step 6: Final answer
   x = 1,648.14