Finding the Fourth Proportional to 23,929.74, 33,019.79 and 13,317.93

Step by Step Solution

1. Step 1: Write the proportion equation
   23,929.74 : 33,019.79 = 13,317.93 : x
2. Step 2: Convert to fraction form
   23,929.74/33,019.79 = 13,317.93/x
3. Step 3: Cross multiply
   23,929.74x = 33,019.79 × 13,317.93
4. Step 4: Simplify right side
   23,929.74x = 439,755,185.25
5. Step 5: Solve for x
   x = 439,755,185.25/23,929.74
6. Step 6: Final answer
   x = 18,376.93