Finding the Fourth Proportional to 23,996.12, 33,114.56 and 13,385.75

Step by Step Solution

1. Step 1: Write the proportion equation
   23,996.12 : 33,114.56 = 13,385.75 : x
2. Step 2: Convert to fraction form
   23,996.12/33,114.56 = 13,385.75/x
3. Step 3: Cross multiply
   23,996.12x = 33,114.56 × 13,385.75
4. Step 4: Simplify right side
   23,996.12x = 443,262,989.02
5. Step 5: Solve for x
   x = 443,262,989.02/23,996.12
6. Step 6: Final answer
   x = 18,472.28