Finding the Fourth Proportional to 9,072.27, 13,610.16 and 3,149.37

Step by Step Solution

1. Step 1: Write the proportion equation
   9,072.27 : 13,610.16 = 3,149.37 : x
2. Step 2: Convert to fraction form
   9,072.27/13,610.16 = 3,149.37/x
3. Step 3: Cross multiply
   9,072.27x = 13,610.16 × 3,149.37
4. Step 4: Simplify right side
   9,072.27x = 42,863,429.60
5. Step 5: Solve for x
   x = 42,863,429.60/9,072.27
6. Step 6: Final answer
   x = 4,724.66