Finding the Fourth Proportional to 23,998.22, 33,117.15 and 13,389.02

Step by Step Solution

1. Step 1: Write the proportion equation
   23,998.22 : 33,117.15 = 13,389.02 : x
2. Step 2: Convert to fraction form
   23,998.22/33,117.15 = 13,389.02/x
3. Step 3: Cross multiply
   23,998.22x = 33,117.15 × 13,389.02
4. Step 4: Simplify right side
   23,998.22x = 443,406,183.69
5. Step 5: Solve for x
   x = 443,406,183.69/23,998.22
6. Step 6: Final answer
   x = 18,476.63