Finding the Fourth Proportional to 33,439.82, 50,166.27 and 12,380.03

Step by Step Solution

1. Step 1: Write the proportion equation
   33,439.82 : 50,166.27 = 12,380.03 : x
2. Step 2: Convert to fraction form
   33,439.82/50,166.27 = 12,380.03/x
3. Step 3: Cross multiply
   33,439.82x = 50,166.27 × 12,380.03
4. Step 4: Simplify right side
   33,439.82x = 621,059,676.76
5. Step 5: Solve for x
   x = 621,059,676.76/33,439.82
6. Step 6: Final answer
   x = 18,572.46