Finding the Fourth Proportional to 8,808.24, 12,154.86 and 5,271.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,808.24 : 12,154.86 = 5,271.42 : x
2. Step 2: Convert to fraction form
   8,808.24/12,154.86 = 5,271.42/x
3. Step 3: Cross multiply
   8,808.24x = 12,154.86 × 5,271.42
4. Step 4: Simplify right side
   8,808.24x = 64,073,372.10
5. Step 5: Solve for x
   x = 64,073,372.10/8,808.24
6. Step 6: Final answer
   x = 7,274.25