Finding the Fourth Proportional to 1,496.88, 2,065.81 and 867.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,496.88 : 2,065.81 = 867.61 : x
2. Step 2: Convert to fraction form
   1,496.88/2,065.81 = 867.61/x
3. Step 3: Cross multiply
   1,496.88x = 2,065.81 × 867.61
4. Step 4: Simplify right side
   1,496.88x = 1,792,317.41
5. Step 5: Solve for x
   x = 1,792,317.41/1,496.88
6. Step 6: Final answer
   x = 1,197.37