Finding the Fourth Proportional to 1,419.38, 1,957.38 and 922.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,419.38 : 1,957.38 = 922.16 : x
2. Step 2: Convert to fraction form
   1,419.38/1,957.38 = 922.16/x
3. Step 3: Cross multiply
   1,419.38x = 1,957.38 × 922.16
4. Step 4: Simplify right side
   1,419.38x = 1,805,017.54
5. Step 5: Solve for x
   x = 1,805,017.54/1,419.38
6. Step 6: Final answer
   x = 1,271.69