Finding the Fourth Proportional to 4,104.72, 5,667.21 and 3,158.78

Step by Step Solution

1. Step 1: Write the proportion equation
   4,104.72 : 5,667.21 = 3,158.78 : x
2. Step 2: Convert to fraction form
   4,104.72/5,667.21 = 3,158.78/x
3. Step 3: Cross multiply
   4,104.72x = 5,667.21 × 3,158.78
4. Step 4: Simplify right side
   4,104.72x = 17,901,441.27
5. Step 5: Solve for x
   x = 17,901,441.27/4,104.72
6. Step 6: Final answer
   x = 4,361.18