Finding the Fourth Proportional to 1,426.45, 1,967.59 and 922.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.45 : 1,967.59 = 922.96 : x
2. Step 2: Convert to fraction form
   1,426.45/1,967.59 = 922.96/x
3. Step 3: Cross multiply
   1,426.45x = 1,967.59 × 922.96
4. Step 4: Simplify right side
   1,426.45x = 1,816,006.87
5. Step 5: Solve for x
   x = 1,816,006.87/1,426.45
6. Step 6: Final answer
   x = 1,273.10