Finding the Fourth Proportional to 4,005.49, 6,008.71 and 1,667.07

Step by Step Solution

1. Step 1: Write the proportion equation
   4,005.49 : 6,008.71 = 1,667.07 : x
2. Step 2: Convert to fraction form
   4,005.49/6,008.71 = 1,667.07/x
3. Step 3: Cross multiply
   4,005.49x = 6,008.71 × 1,667.07
4. Step 4: Simplify right side
   4,005.49x = 10,016,940.18
5. Step 5: Solve for x
   x = 10,016,940.18/4,005.49
6. Step 6: Final answer
   x = 2,500.81