Finding the Fourth Proportional to 1,667.88, 2,301.77 and 959.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.88 : 2,301.77 = 959.74 : x
2. Step 2: Convert to fraction form
   1,667.88/2,301.77 = 959.74/x
3. Step 3: Cross multiply
   1,667.88x = 2,301.77 × 959.74
4. Step 4: Simplify right side
   1,667.88x = 2,209,097.38
5. Step 5: Solve for x
   x = 2,209,097.38/1,667.88
6. Step 6: Final answer
   x = 1,324.49