Finding the Fourth Proportional to 23,945.99, 33,044.18 and 13,188.76

Step by Step Solution

1. Step 1: Write the proportion equation
   23,945.99 : 33,044.18 = 13,188.76 : x
2. Step 2: Convert to fraction form
   23,945.99/33,044.18 = 13,188.76/x
3. Step 3: Cross multiply
   23,945.99x = 33,044.18 × 13,188.76
4. Step 4: Simplify right side
   23,945.99x = 435,811,610.86
5. Step 5: Solve for x
   x = 435,811,610.86/23,945.99
6. Step 6: Final answer
   x = 18,199.78