Finding the Fourth Proportional to 1,667.46, 2,300.95 and 959.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.46 : 2,300.95 = 959.12 : x
2. Step 2: Convert to fraction form
   1,667.46/2,300.95 = 959.12/x
3. Step 3: Cross multiply
   1,667.46x = 2,300.95 × 959.12
4. Step 4: Simplify right side
   1,667.46x = 2,206,883.69
5. Step 5: Solve for x
   x = 2,206,883.69/1,667.46
6. Step 6: Final answer
   x = 1,323.50