Finding the Fourth Proportional to 1,456.69, 2,007 and 958.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456.69 : 2,007 = 958.45 : x
2. Step 2: Convert to fraction form
   1,456.69/2,007 = 958.45/x
3. Step 3: Cross multiply
   1,456.69x = 2,007 × 958.45
4. Step 4: Simplify right side
   1,456.69x = 1,923,609.15
5. Step 5: Solve for x
   x = 1,923,609.15/1,456.69
6. Step 6: Final answer
   x = 1,320.53