Finding the Fourth Proportional to 1,419.85, 1,958.29 and 922.65

Step by Step Solution

1. Step 1: Write the proportion equation
   1,419.85 : 1,958.29 = 922.65 : x
2. Step 2: Convert to fraction form
   1,419.85/1,958.29 = 922.65/x
3. Step 3: Cross multiply
   1,419.85x = 1,958.29 × 922.65
4. Step 4: Simplify right side
   1,419.85x = 1,806,816.27
5. Step 5: Solve for x
   x = 1,806,816.27/1,419.85
6. Step 6: Final answer
   x = 1,272.54