Finding the Fourth Proportional to 1,667.54, 2,300.70 and 1,163.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.54 : 2,300.70 = 1,163.38 : x
2. Step 2: Convert to fraction form
   1,667.54/2,300.70 = 1,163.38/x
3. Step 3: Cross multiply
   1,667.54x = 2,300.70 × 1,163.38
4. Step 4: Simplify right side
   1,667.54x = 2,676,588.37
5. Step 5: Solve for x
   x = 2,676,588.37/1,667.54
6. Step 6: Final answer
   x = 1,605.11