Finding the Fourth Proportional to 12,234.72, 18,334.06 and 5,472.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,234.72 : 18,334.06 = 5,472.10 : x
2. Step 2: Convert to fraction form
   12,234.72/18,334.06 = 5,472.10/x
3. Step 3: Cross multiply
   12,234.72x = 18,334.06 × 5,472.10
4. Step 4: Simplify right side
   12,234.72x = 100,325,809.73
5. Step 5: Solve for x
   x = 100,325,809.73/12,234.72
6. Step 6: Final answer
   x = 8,200.09