Finding the Fourth Proportional to 23,926.84, 33,019.94 and 13,318.04

Step by Step Solution

1. Step 1: Write the proportion equation
   23,926.84 : 33,019.94 = 13,318.04 : x
2. Step 2: Convert to fraction form
   23,926.84/33,019.94 = 13,318.04/x
3. Step 3: Cross multiply
   23,926.84x = 33,019.94 × 13,318.04
4. Step 4: Simplify right side
   23,926.84x = 439,760,881.72
5. Step 5: Solve for x
   x = 439,760,881.72/23,926.84
6. Step 6: Final answer
   x = 18,379.40