Finding the Fourth Proportional to 50,216.76, 69,267.96 and 31,105.62

Step by Step Solution

1. Step 1: Write the proportion equation
   50,216.76 : 69,267.96 = 31,105.62 : x
2. Step 2: Convert to fraction form
   50,216.76/69,267.96 = 31,105.62/x
3. Step 3: Cross multiply
   50,216.76x = 69,267.96 × 31,105.62
4. Step 4: Simplify right side
   50,216.76x = 2,154,622,841.94
5. Step 5: Solve for x
   x = 2,154,622,841.94/50,216.76
6. Step 6: Final answer
   x = 42,906.45