Finding the Fourth Proportional to 1,667.28, 2,300.68 and 968.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.28 : 2,300.68 = 968.48 : x
2. Step 2: Convert to fraction form
   1,667.28/2,300.68 = 968.48/x
3. Step 3: Cross multiply
   1,667.28x = 2,300.68 × 968.48
4. Step 4: Simplify right side
   1,667.28x = 2,228,162.57
5. Step 5: Solve for x
   x = 2,228,162.57/1,667.28
6. Step 6: Final answer
   x = 1,336.41