Finding the Fourth Proportional to 8,808.54, 12,154.50 and 5,271

Step by Step Solution

1. Step 1: Write the proportion equation
   8,808.54 : 12,154.50 = 5,271 : x
2. Step 2: Convert to fraction form
   8,808.54/12,154.50 = 5,271/x
3. Step 3: Cross multiply
   8,808.54x = 12,154.50 × 5,271
4. Step 4: Simplify right side
   8,808.54x = 64,066,369.50
5. Step 5: Solve for x
   x = 64,066,369.50/8,808.54
6. Step 6: Final answer
   x = 7,273.21