Finding the Fourth Proportional to 1,784.82, 2,673.34 and 1,089.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,784.82 : 2,673.34 = 1,089.38 : x
2. Step 2: Convert to fraction form
   1,784.82/2,673.34 = 1,089.38/x
3. Step 3: Cross multiply
   1,784.82x = 2,673.34 × 1,089.38
4. Step 4: Simplify right side
   1,784.82x = 2,912,287.09
5. Step 5: Solve for x
   x = 2,912,287.09/1,784.82
6. Step 6: Final answer
   x = 1,631.69