Finding the Fourth Proportional to 1,419.75, 1,958.00 and 921.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,419.75 : 1,958.00 = 921.92 : x
2. Step 2: Convert to fraction form
   1,419.75/1,958.00 = 921.92/x
3. Step 3: Cross multiply
   1,419.75x = 1,958.00 × 921.92
4. Step 4: Simplify right side
   1,419.75x = 1,805,104.96
5. Step 5: Solve for x
   x = 1,805,104.96/1,419.75
6. Step 6: Final answer
   x = 1,271.42