Finding the Fourth Proportional to 2,667.04, 3,679.54 and 1,604.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667.04 : 3,679.54 = 1,604.40 : x
2. Step 2: Convert to fraction form
   2,667.04/3,679.54 = 1,604.40/x
3. Step 3: Cross multiply
   2,667.04x = 3,679.54 × 1,604.40
4. Step 4: Simplify right side
   2,667.04x = 5,903,453.98
5. Step 5: Solve for x
   x = 5,903,453.98/2,667.04
6. Step 6: Final answer
   x = 2,213.49