Finding the Fourth Proportional to 4,772.72, 7,150.60 and 4,072.27

Step by Step Solution

1. Step 1: Write the proportion equation
   4,772.72 : 7,150.60 = 4,072.27 : x
2. Step 2: Convert to fraction form
   4,772.72/7,150.60 = 4,072.27/x
3. Step 3: Cross multiply
   4,772.72x = 7,150.60 × 4,072.27
4. Step 4: Simplify right side
   4,772.72x = 29,119,173.86
5. Step 5: Solve for x
   x = 29,119,173.86/4,772.72
6. Step 6: Final answer
   x = 6,101.17