Finding the Fourth Proportional to 23,997.42, 33,118.74 and 13,388.04

Step by Step Solution

1. Step 1: Write the proportion equation
   23,997.42 : 33,118.74 = 13,388.04 : x
2. Step 2: Convert to fraction form
   23,997.42/33,118.74 = 13,388.04/x
3. Step 3: Cross multiply
   23,997.42x = 33,118.74 × 13,388.04
4. Step 4: Simplify right side
   23,997.42x = 443,395,015.87
5. Step 5: Solve for x
   x = 443,395,015.87/23,997.42
6. Step 6: Final answer
   x = 18,476.78