Finding the Fourth Proportional to 1,667.38, 2,301.26 and 995.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.38 : 2,301.26 = 995.28 : x
2. Step 2: Convert to fraction form
   1,667.38/2,301.26 = 995.28/x
3. Step 3: Cross multiply
   1,667.38x = 2,301.26 × 995.28
4. Step 4: Simplify right side
   1,667.38x = 2,290,398.05
5. Step 5: Solve for x
   x = 2,290,398.05/1,667.38
6. Step 6: Final answer
   x = 1,373.65