Finding the Fourth Proportional to 1,496.58, 2,064.89 and 867.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,496.58 : 2,064.89 = 867.21 : x
2. Step 2: Convert to fraction form
   1,496.58/2,064.89 = 867.21/x
3. Step 3: Cross multiply
   1,496.58x = 2,064.89 × 867.21
4. Step 4: Simplify right side
   1,496.58x = 1,790,687.68
5. Step 5: Solve for x
   x = 1,790,687.68/1,496.58
6. Step 6: Final answer
   x = 1,196.52