Finding the Fourth Proportional to 2,667.62, 4,006.61 and 2,174.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667.62 : 4,006.61 = 2,174.39 : x
2. Step 2: Convert to fraction form
   2,667.62/4,006.61 = 2,174.39/x
3. Step 3: Cross multiply
   2,667.62x = 4,006.61 × 2,174.39
4. Step 4: Simplify right side
   2,667.62x = 8,711,918.12
5. Step 5: Solve for x
   x = 8,711,918.12/2,667.62
6. Step 6: Final answer
   x = 3,265.81