Finding the Fourth Proportional to 9,250.98, 12,765.81 and 5,271.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,250.98 : 12,765.81 = 5,271.54 : x
2. Step 2: Convert to fraction form
   9,250.98/12,765.81 = 5,271.54/x
3. Step 3: Cross multiply
   9,250.98x = 12,765.81 × 5,271.54
4. Step 4: Simplify right side
   9,250.98x = 67,295,478.05
5. Step 5: Solve for x
   x = 67,295,478.05/9,250.98
6. Step 6: Final answer
   x = 7,274.42