Finding the Fourth Proportional to 2,667.70, 3,680.58 and 1,604.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667.70 : 3,680.58 = 1,604.80 : x
2. Step 2: Convert to fraction form
   2,667.70/3,680.58 = 1,604.80/x
3. Step 3: Cross multiply
   2,667.70x = 3,680.58 × 1,604.80
4. Step 4: Simplify right side
   2,667.70x = 5,906,594.78
5. Step 5: Solve for x
   x = 5,906,594.78/2,667.70
6. Step 6: Final answer
   x = 2,214.12