Finding the Fourth Proportional to 1,969.53, 2,717.96 and 1,085.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,969.53 : 2,717.96 = 1,085.38 : x
2. Step 2: Convert to fraction form
   1,969.53/2,717.96 = 1,085.38/x
3. Step 3: Cross multiply
   1,969.53x = 2,717.96 × 1,085.38
4. Step 4: Simplify right side
   1,969.53x = 2,950,019.42
5. Step 5: Solve for x
   x = 2,950,019.42/1,969.53
6. Step 6: Final answer
   x = 1,497.83