Finding the Fourth Proportional to 33,559.71, 50,431.83 and 31,365.37

Step by Step Solution

1. Step 1: Write the proportion equation
   33,559.71 : 50,431.83 = 31,365.37 : x
2. Step 2: Convert to fraction form
   33,559.71/50,431.83 = 31,365.37/x
3. Step 3: Cross multiply
   33,559.71x = 50,431.83 × 31,365.37
4. Step 4: Simplify right side
   33,559.71x = 1,581,812,920.92
5. Step 5: Solve for x
   x = 1,581,812,920.92/33,559.71
6. Step 6: Final answer
   x = 47,134.28