Finding the Fourth Proportional to 3,399.32, 5,100.60 and 1,667

Step by Step Solution

1. Step 1: Write the proportion equation
   3,399.32 : 5,100.60 = 1,667 : x
2. Step 2: Convert to fraction form
   3,399.32/5,100.60 = 1,667/x
3. Step 3: Cross multiply
   3,399.32x = 5,100.60 × 1,667
4. Step 4: Simplify right side
   3,399.32x = 8,502,700.20
5. Step 5: Solve for x
   x = 8,502,700.20/3,399.32
6. Step 6: Final answer
   x = 2,501.29