Finding the Fourth Proportional to 33,972.51, 50,978.82 and 12,930.27

Step by Step Solution

1. Step 1: Write the proportion equation
   33,972.51 : 50,978.82 = 12,930.27 : x
2. Step 2: Convert to fraction form
   33,972.51/50,978.82 = 12,930.27/x
3. Step 3: Cross multiply
   33,972.51x = 50,978.82 × 12,930.27
4. Step 4: Simplify right side
   33,972.51x = 659,169,906.88
5. Step 5: Solve for x
   x = 659,169,906.88/33,972.51
6. Step 6: Final answer
   x = 19,403.04