Finding the Fourth Proportional to 4,856.44, 7,272.72 and 2,771.32

Step by Step Solution

1. Step 1: Write the proportion equation
   4,856.44 : 7,272.72 = 2,771.32 : x
2. Step 2: Convert to fraction form
   4,856.44/7,272.72 = 2,771.32/x
3. Step 3: Cross multiply
   4,856.44x = 7,272.72 × 2,771.32
4. Step 4: Simplify right side
   4,856.44x = 20,155,034.39
5. Step 5: Solve for x
   x = 20,155,034.39/4,856.44
6. Step 6: Final answer
   x = 4,150.17