Finding the Fourth Proportional to 1,969.52, 2,717.87 and 1,085.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,969.52 : 2,717.87 = 1,085.33 : x
2. Step 2: Convert to fraction form
   1,969.52/2,717.87 = 1,085.33/x
3. Step 3: Cross multiply
   1,969.52x = 2,717.87 × 1,085.33
4. Step 4: Simplify right side
   1,969.52x = 2,949,787.22
5. Step 5: Solve for x
   x = 2,949,787.22/1,969.52
6. Step 6: Final answer
   x = 1,497.72