Finding the Fourth Proportional to 1,667.59, 2,301.54 and 1,170.97

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.59 : 2,301.54 = 1,170.97 : x
2. Step 2: Convert to fraction form
   1,667.59/2,301.54 = 1,170.97/x
3. Step 3: Cross multiply
   1,667.59x = 2,301.54 × 1,170.97
4. Step 4: Simplify right side
   1,667.59x = 2,695,034.29
5. Step 5: Solve for x
   x = 2,695,034.29/1,667.59
6. Step 6: Final answer
   x = 1,616.13