Finding the Fourth Proportional to 1,426.62, 1,968.86 and 867.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.62 : 1,968.86 = 867.24 : x
2. Step 2: Convert to fraction form
   1,426.62/1,968.86 = 867.24/x
3. Step 3: Cross multiply
   1,426.62x = 1,968.86 × 867.24
4. Step 4: Simplify right side
   1,426.62x = 1,707,474.15
5. Step 5: Solve for x
   x = 1,707,474.15/1,426.62
6. Step 6: Final answer
   x = 1,196.87