Finding the Fourth Proportional to 33,687.83, 50,504.00 and 13,426.62

Step by Step Solution

1. Step 1: Write the proportion equation
   33,687.83 : 50,504.00 = 13,426.62 : x
2. Step 2: Convert to fraction form
   33,687.83/50,504.00 = 13,426.62/x
3. Step 3: Cross multiply
   33,687.83x = 50,504.00 × 13,426.62
4. Step 4: Simplify right side
   33,687.83x = 678,097,949.35
5. Step 5: Solve for x
   x = 678,097,949.35/33,687.83
6. Step 6: Final answer
   x = 20,128.87