Finding the Fourth Proportional to 1,968.76, 2,716.88 and 1,084.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,968.76 : 2,716.88 = 1,084.56 : x
2. Step 2: Convert to fraction form
   1,968.76/2,716.88 = 1,084.56/x
3. Step 3: Cross multiply
   1,968.76x = 2,716.88 × 1,084.56
4. Step 4: Simplify right side
   1,968.76x = 2,946,619.37
5. Step 5: Solve for x
   x = 2,946,619.37/1,968.76
6. Step 6: Final answer
   x = 1,496.69