Finding the Fourth Proportional to 1,967.18, 2,944.37 and 1,447.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,967.18 : 2,944.37 = 1,447.05 : x
2. Step 2: Convert to fraction form
   1,967.18/2,944.37 = 1,447.05/x
3. Step 3: Cross multiply
   1,967.18x = 2,944.37 × 1,447.05
4. Step 4: Simplify right side
   1,967.18x = 4,260,643.37
5. Step 5: Solve for x
   x = 4,260,643.37/1,967.18
6. Step 6: Final answer
   x = 2,165.87