Finding the Fourth Proportional to 7,270.89, 10,912.82 and 5,081.37

Step by Step Solution

1. Step 1: Write the proportion equation
   7,270.89 : 10,912.82 = 5,081.37 : x
2. Step 2: Convert to fraction form
   7,270.89/10,912.82 = 5,081.37/x
3. Step 3: Cross multiply
   7,270.89x = 10,912.82 × 5,081.37
4. Step 4: Simplify right side
   7,270.89x = 55,452,050.76
5. Step 5: Solve for x
   x = 55,452,050.76/7,270.89
6. Step 6: Final answer
   x = 7,626.58