Finding the Fourth Proportional to 23,996.88, 33,115.50 and 13,385.88

Step by Step Solution

1. Step 1: Write the proportion equation
   23,996.88 : 33,115.50 = 13,385.88 : x
2. Step 2: Convert to fraction form
   23,996.88/33,115.50 = 13,385.88/x
3. Step 3: Cross multiply
   23,996.88x = 33,115.50 × 13,385.88
4. Step 4: Simplify right side
   23,996.88x = 443,280,109.14
5. Step 5: Solve for x
   x = 443,280,109.14/23,996.88
6. Step 6: Final answer
   x = 18,472.41