Finding the Fourth Proportional to 12,464.72, 18,697.10 and 12,151.01

Step by Step Solution

1. Step 1: Write the proportion equation
   12,464.72 : 18,697.10 = 12,151.01 : x
2. Step 2: Convert to fraction form
   12,464.72/18,697.10 = 12,151.01/x
3. Step 3: Cross multiply
   12,464.72x = 18,697.10 × 12,151.01
4. Step 4: Simplify right side
   12,464.72x = 227,188,635.06
5. Step 5: Solve for x
   x = 227,188,635.06/12,464.72
6. Step 6: Final answer
   x = 18,226.54