Finding the Fourth Proportional to 1,419.27, 1,957.87 and 922.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,419.27 : 1,957.87 = 922.18 : x
2. Step 2: Convert to fraction form
   1,419.27/1,957.87 = 922.18/x
3. Step 3: Cross multiply
   1,419.27x = 1,957.87 × 922.18
4. Step 4: Simplify right side
   1,419.27x = 1,805,508.56
5. Step 5: Solve for x
   x = 1,805,508.56/1,419.27
6. Step 6: Final answer
   x = 1,272.14