Finding the Fourth Proportional to 1,427.73, 1,969.43 and 923.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,427.73 : 1,969.43 = 923.36 : x
2. Step 2: Convert to fraction form
   1,427.73/1,969.43 = 923.36/x
3. Step 3: Cross multiply
   1,427.73x = 1,969.43 × 923.36
4. Step 4: Simplify right side
   1,427.73x = 1,818,478.42
5. Step 5: Solve for x
   x = 1,818,478.42/1,427.73
6. Step 6: Final answer
   x = 1,273.69