Finding the Fourth Proportional to 1,455.69, 2,010.33 and 958.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,455.69 : 2,010.33 = 958.71 : x
2. Step 2: Convert to fraction form
   1,455.69/2,010.33 = 958.71/x
3. Step 3: Cross multiply
   1,455.69x = 2,010.33 × 958.71
4. Step 4: Simplify right side
   1,455.69x = 1,927,323.47
5. Step 5: Solve for x
   x = 1,927,323.47/1,455.69
6. Step 6: Final answer
   x = 1,323.99