Finding the Fourth Proportional to 8,672.76, 12,956.43 and 5,527.73

Step by Step Solution

1. Step 1: Write the proportion equation
   8,672.76 : 12,956.43 = 5,527.73 : x
2. Step 2: Convert to fraction form
   8,672.76/12,956.43 = 5,527.73/x
3. Step 3: Cross multiply
   8,672.76x = 12,956.43 × 5,527.73
4. Step 4: Simplify right side
   8,672.76x = 71,619,646.80
5. Step 5: Solve for x
   x = 71,619,646.80/8,672.76
6. Step 6: Final answer
   x = 8,258.00