Finding the Fourth Proportional to 23,940.64, 33,038.56 and 13,329.92

Step by Step Solution

1. Step 1: Write the proportion equation
   23,940.64 : 33,038.56 = 13,329.92 : x
2. Step 2: Convert to fraction form
   23,940.64/33,038.56 = 13,329.92/x
3. Step 3: Cross multiply
   23,940.64x = 33,038.56 × 13,329.92
4. Step 4: Simplify right side
   23,940.64x = 440,401,361.72
5. Step 5: Solve for x
   x = 440,401,361.72/23,940.64
6. Step 6: Final answer
   x = 18,395.56