Finding the Fourth Proportional to 1,969.25, 2,717.57 and 1,085.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,969.25 : 2,717.57 = 1,085.05 : x
2. Step 2: Convert to fraction form
   1,969.25/2,717.57 = 1,085.05/x
3. Step 3: Cross multiply
   1,969.25x = 2,717.57 × 1,085.05
4. Step 4: Simplify right side
   1,969.25x = 2,948,693.90
5. Step 5: Solve for x
   x = 2,948,693.90/1,969.25
6. Step 6: Final answer
   x = 1,497.37