Finding the Fourth Proportional to 1,968.51, 2,716.48 and 1,084.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,968.51 : 2,716.48 = 1,084.31 : x
2. Step 2: Convert to fraction form
   1,968.51/2,716.48 = 1,084.31/x
3. Step 3: Cross multiply
   1,968.51x = 2,716.48 × 1,084.31
4. Step 4: Simplify right side
   1,968.51x = 2,945,506.43
5. Step 5: Solve for x
   x = 2,945,506.43/1,968.51
6. Step 6: Final answer
   x = 1,496.31