Finding the Fourth Proportional to 1,446.10, 1,995.61 and 922.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,446.10 : 1,995.61 = 922.43 : x
2. Step 2: Convert to fraction form
   1,446.10/1,995.61 = 922.43/x
3. Step 3: Cross multiply
   1,446.10x = 1,995.61 × 922.43
4. Step 4: Simplify right side
   1,446.10x = 1,840,813.22
5. Step 5: Solve for x
   x = 1,840,813.22/1,446.10
6. Step 6: Final answer
   x = 1,272.95