Finding the Fourth Proportional to 33,687.94, 50,540.55 and 13,959.94

Step by Step Solution

1. Step 1: Write the proportion equation
   33,687.94 : 50,540.55 = 13,959.94 : x
2. Step 2: Convert to fraction form
   33,687.94/50,540.55 = 13,959.94/x
3. Step 3: Cross multiply
   33,687.94x = 50,540.55 × 13,959.94
4. Step 4: Simplify right side
   33,687.94x = 705,543,045.57
5. Step 5: Solve for x
   x = 705,543,045.57/33,687.94
6. Step 6: Final answer
   x = 20,943.49