Finding the Fourth Proportional to 4,667.88, 6,441.72 and 2,572.05

Step by Step Solution

1. Step 1: Write the proportion equation
   4,667.88 : 6,441.72 = 2,572.05 : x
2. Step 2: Convert to fraction form
   4,667.88/6,441.72 = 2,572.05/x
3. Step 3: Cross multiply
   4,667.88x = 6,441.72 × 2,572.05
4. Step 4: Simplify right side
   4,667.88x = 16,568,425.93
5. Step 5: Solve for x
   x = 16,568,425.93/4,667.88
6. Step 6: Final answer
   x = 3,549.45