Finding the Fourth Proportional to 33,905.86, 50,861.23 and 8,945.62

Step by Step Solution

1. Step 1: Write the proportion equation
   33,905.86 : 50,861.23 = 8,945.62 : x
2. Step 2: Convert to fraction form
   33,905.86/50,861.23 = 8,945.62/x
3. Step 3: Cross multiply
   33,905.86x = 50,861.23 × 8,945.62
4. Step 4: Simplify right side
   33,905.86x = 454,985,086.80
5. Step 5: Solve for x
   x = 454,985,086.80/33,905.86
6. Step 6: Final answer
   x = 13,419.07