Finding the Fourth Proportional to 33,507.72, 50,245.98 and 12,433.08

Step by Step Solution

1. Step 1: Write the proportion equation
   33,507.72 : 50,245.98 = 12,433.08 : x
2. Step 2: Convert to fraction form
   33,507.72/50,245.98 = 12,433.08/x
3. Step 3: Cross multiply
   33,507.72x = 50,245.98 × 12,433.08
4. Step 4: Simplify right side
   33,507.72x = 624,712,289.02
5. Step 5: Solve for x
   x = 624,712,289.02/33,507.72
6. Step 6: Final answer
   x = 18,643.83