Finding the Fourth Proportional to 1,427.33, 1,969.25 and 867.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,427.33 : 1,969.25 = 867.62 : x
2. Step 2: Convert to fraction form
   1,427.33/1,969.25 = 867.62/x
3. Step 3: Cross multiply
   1,427.33x = 1,969.25 × 867.62
4. Step 4: Simplify right side
   1,427.33x = 1,708,561.27
5. Step 5: Solve for x
   x = 1,708,561.27/1,427.33
6. Step 6: Final answer
   x = 1,197.03