Finding the Fourth Proportional to 23,999.33, 33,118.98 and 13,389.27

Step by Step Solution

1. Step 1: Write the proportion equation
   23,999.33 : 33,118.98 = 13,389.27 : x
2. Step 2: Convert to fraction form
   23,999.33/33,118.98 = 13,389.27/x
3. Step 3: Cross multiply
   23,999.33x = 33,118.98 × 13,389.27
4. Step 4: Simplify right side
   23,999.33x = 443,438,965.34
5. Step 5: Solve for x
   x = 443,438,965.34/23,999.33
6. Step 6: Final answer
   x = 18,477.14