Finding the Fourth Proportional to 23,997.92, 33,117.24 and 13,388

Step by Step Solution

1. Step 1: Write the proportion equation
   23,997.92 : 33,117.24 = 13,388 : x
2. Step 2: Convert to fraction form
   23,997.92/33,117.24 = 13,388/x
3. Step 3: Cross multiply
   23,997.92x = 33,117.24 × 13,388
4. Step 4: Simplify right side
   23,997.92x = 443,373,609.12
5. Step 5: Solve for x
   x = 443,373,609.12/23,997.92
6. Step 6: Final answer
   x = 18,475.50