Finding the Fourth Proportional to 23,999.42, 33,119.93 and 13,388.83

Step by Step Solution

1. Step 1: Write the proportion equation
   23,999.42 : 33,119.93 = 13,388.83 : x
2. Step 2: Convert to fraction form
   23,999.42/33,119.93 = 13,388.83/x
3. Step 3: Cross multiply
   23,999.42x = 33,119.93 × 13,388.83
4. Step 4: Simplify right side
   23,999.42x = 443,437,063.05
5. Step 5: Solve for x
   x = 443,437,063.05/23,999.42
6. Step 6: Final answer
   x = 18,476.99