Finding the Fourth Proportional to 1,968.58, 2,716.50 and 1,084.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,968.58 : 2,716.50 = 1,084.30 : x
2. Step 2: Convert to fraction form
   1,968.58/2,716.50 = 1,084.30/x
3. Step 3: Cross multiply
   1,968.58x = 2,716.50 × 1,084.30
4. Step 4: Simplify right side
   1,968.58x = 2,945,500.95
5. Step 5: Solve for x
   x = 2,945,500.95/1,968.58
6. Step 6: Final answer
   x = 1,496.26