Finding the Fourth Proportional to 1,969.47, 2,717.84 and 1,085.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,969.47 : 2,717.84 = 1,085.33 : x
2. Step 2: Convert to fraction form
   1,969.47/2,717.84 = 1,085.33/x
3. Step 3: Cross multiply
   1,969.47x = 2,717.84 × 1,085.33
4. Step 4: Simplify right side
   1,969.47x = 2,949,762.80
5. Step 5: Solve for x
   x = 2,949,762.80/1,969.47
6. Step 6: Final answer
   x = 1,497.74