Finding the Fourth Proportional to 4,264.64, 6,397.78 and 1,667.42

Step by Step Solution

1. Step 1: Write the proportion equation
   4,264.64 : 6,397.78 = 1,667.42 : x
2. Step 2: Convert to fraction form
   4,264.64/6,397.78 = 1,667.42/x
3. Step 3: Cross multiply
   4,264.64x = 6,397.78 × 1,667.42
4. Step 4: Simplify right side
   4,264.64x = 10,667,786.33
5. Step 5: Solve for x
   x = 10,667,786.33/4,264.64
6. Step 6: Final answer
   x = 2,501.45