Finding the Fourth Proportional to 1,667.44, 2,300.92 and 959.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.44 : 2,300.92 = 959.20 : x
2. Step 2: Convert to fraction form
   1,667.44/2,300.92 = 959.20/x
3. Step 3: Cross multiply
   1,667.44x = 2,300.92 × 959.20
4. Step 4: Simplify right side
   1,667.44x = 2,207,042.46
5. Step 5: Solve for x
   x = 2,207,042.46/1,667.44
6. Step 6: Final answer
   x = 1,323.61