Finding the Fourth Proportional to 33,665.13, 50,499.77 and 13,945.23

Step by Step Solution

1. Step 1: Write the proportion equation
   33,665.13 : 50,499.77 = 13,945.23 : x
2. Step 2: Convert to fraction form
   33,665.13/50,499.77 = 13,945.23/x
3. Step 3: Cross multiply
   33,665.13x = 50,499.77 × 13,945.23
4. Step 4: Simplify right side
   33,665.13x = 704,230,837.87
5. Step 5: Solve for x
   x = 704,230,837.87/33,665.13
6. Step 6: Final answer
   x = 20,918.70