Finding the Fourth Proportional to 23,991.82, 33,112.72 and 13,928.62

Step by Step Solution

1. Step 1: Write the proportion equation
   23,991.82 : 33,112.72 = 13,928.62 : x
2. Step 2: Convert to fraction form
   23,991.82/33,112.72 = 13,928.62/x
3. Step 3: Cross multiply
   23,991.82x = 33,112.72 × 13,928.62
4. Step 4: Simplify right side
   23,991.82x = 461,214,494.05
5. Step 5: Solve for x
   x = 461,214,494.05/23,991.82
6. Step 6: Final answer
   x = 19,223.82