Finding the Fourth Proportional to 1,447.24, 1,997.84 and 1,027.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,447.24 : 1,997.84 = 1,027.92 : x
2. Step 2: Convert to fraction form
   1,447.24/1,997.84 = 1,027.92/x
3. Step 3: Cross multiply
   1,447.24x = 1,997.84 × 1,027.92
4. Step 4: Simplify right side
   1,447.24x = 2,053,619.69
5. Step 5: Solve for x
   x = 2,053,619.69/1,447.24
6. Step 6: Final answer
   x = 1,418.99