Finding the Fourth Proportional to 1,456.45, 2,008.49 and 958.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456.45 : 2,008.49 = 958.47 : x
2. Step 2: Convert to fraction form
   1,456.45/2,008.49 = 958.47/x
3. Step 3: Cross multiply
   1,456.45x = 2,008.49 × 958.47
4. Step 4: Simplify right side
   1,456.45x = 1,925,067.37
5. Step 5: Solve for x
   x = 1,925,067.37/1,456.45
6. Step 6: Final answer
   x = 1,321.76