Finding the Fourth Proportional to 1,447.34, 1,995.45 and 922.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,447.34 : 1,995.45 = 922.46 : x
2. Step 2: Convert to fraction form
   1,447.34/1,995.45 = 922.46/x
3. Step 3: Cross multiply
   1,447.34x = 1,995.45 × 922.46
4. Step 4: Simplify right side
   1,447.34x = 1,840,722.81
5. Step 5: Solve for x
   x = 1,840,722.81/1,447.34
6. Step 6: Final answer
   x = 1,271.80