Finding the Fourth Proportional to 23,996.28, 33,114.96 and 13,386.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,996.28 : 33,114.96 = 13,386.72 : x
2. Step 2: Convert to fraction form
   23,996.28/33,114.96 = 13,386.72/x
3. Step 3: Cross multiply
   23,996.28x = 33,114.96 × 13,386.72
4. Step 4: Simplify right side
   23,996.28x = 443,300,697.33
5. Step 5: Solve for x
   x = 443,300,697.33/23,996.28
6. Step 6: Final answer
   x = 18,473.73