Finding the Fourth Proportional to 1,667.71, 2,301.56 and 959.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.71 : 2,301.56 = 959.67 : x
2. Step 2: Convert to fraction form
   1,667.71/2,301.56 = 959.67/x
3. Step 3: Cross multiply
   1,667.71x = 2,301.56 × 959.67
4. Step 4: Simplify right side
   1,667.71x = 2,208,738.09
5. Step 5: Solve for x
   x = 2,208,738.09/1,667.71
6. Step 6: Final answer
   x = 1,324.41