Finding the Fourth Proportional to 33,960.96, 50,906.88 and 31,446.72

Step by Step Solution

1. Step 1: Write the proportion equation
   33,960.96 : 50,906.88 = 31,446.72 : x
2. Step 2: Convert to fraction form
   33,960.96/50,906.88 = 31,446.72/x
3. Step 3: Cross multiply
   33,960.96x = 50,906.88 × 31,446.72
4. Step 4: Simplify right side
   33,960.96x = 1,600,854,401.43
5. Step 5: Solve for x
   x = 1,600,854,401.43/33,960.96
6. Step 6: Final answer
   x = 47,138.08