Finding the Fourth Proportional to 7,150.46, 10,728.72 and 2,771.01

Step by Step Solution

1. Step 1: Write the proportion equation
   7,150.46 : 10,728.72 = 2,771.01 : x
2. Step 2: Convert to fraction form
   7,150.46/10,728.72 = 2,771.01/x
3. Step 3: Cross multiply
   7,150.46x = 10,728.72 × 2,771.01
4. Step 4: Simplify right side
   7,150.46x = 29,729,390.41
5. Step 5: Solve for x
   x = 29,729,390.41/7,150.46
6. Step 6: Final answer
   x = 4,157.69