Finding the Fourth Proportional to 33,691.94, 50,540.34 and 10,315.34

Step by Step Solution

1. Step 1: Write the proportion equation
   33,691.94 : 50,540.34 = 10,315.34 : x
2. Step 2: Convert to fraction form
   33,691.94/50,540.34 = 10,315.34/x
3. Step 3: Cross multiply
   33,691.94x = 50,540.34 × 10,315.34
4. Step 4: Simplify right side
   33,691.94x = 521,340,790.82
5. Step 5: Solve for x
   x = 521,340,790.82/33,691.94
6. Step 6: Final answer
   x = 15,473.75