Finding the Fourth Proportional to 1,426.66, 1,968.96 and 867.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.66 : 1,968.96 = 867.34 : x
2. Step 2: Convert to fraction form
   1,426.66/1,968.96 = 867.34/x
3. Step 3: Cross multiply
   1,426.66x = 1,968.96 × 867.34
4. Step 4: Simplify right side
   1,426.66x = 1,707,757.77
5. Step 5: Solve for x
   x = 1,707,757.77/1,426.66
6. Step 6: Final answer
   x = 1,197.03