Finding the Fourth Proportional to 1,969.33, 2,717.83 and 1,085.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,969.33 : 2,717.83 = 1,085.29 : x
2. Step 2: Convert to fraction form
   1,969.33/2,717.83 = 1,085.29/x
3. Step 3: Cross multiply
   1,969.33x = 2,717.83 × 1,085.29
4. Step 4: Simplify right side
   1,969.33x = 2,949,614.71
5. Step 5: Solve for x
   x = 2,949,614.71/1,969.33
6. Step 6: Final answer
   x = 1,497.78