Finding the Fourth Proportional to 1,447.59, 1,996.20 and 949.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,447.59 : 1,996.20 = 949.71 : x
2. Step 2: Convert to fraction form
   1,447.59/1,996.20 = 949.71/x
3. Step 3: Cross multiply
   1,447.59x = 1,996.20 × 949.71
4. Step 4: Simplify right side
   1,447.59x = 1,895,811.10
5. Step 5: Solve for x
   x = 1,895,811.10/1,447.59
6. Step 6: Final answer
   x = 1,309.63