Finding the Fourth Proportional to 33,977.14, 50,945.52 and 12,918.72

Step by Step Solution

1. Step 1: Write the proportion equation
   33,977.14 : 50,945.52 = 12,918.72 : x
2. Step 2: Convert to fraction form
   33,977.14/50,945.52 = 12,918.72/x
3. Step 3: Cross multiply
   33,977.14x = 50,945.52 × 12,918.72
4. Step 4: Simplify right side
   33,977.14x = 658,151,052.10
5. Step 5: Solve for x
   x = 658,151,052.10/33,977.14
6. Step 6: Final answer
   x = 19,370.41