Finding the Fourth Proportional to 31,091.82, 42,906.69 and 16,944.66

Step by Step Solution

1. Step 1: Write the proportion equation
   31,091.82 : 42,906.69 = 16,944.66 : x
2. Step 2: Convert to fraction form
   31,091.82/42,906.69 = 16,944.66/x
3. Step 3: Cross multiply
   31,091.82x = 42,906.69 × 16,944.66
4. Step 4: Simplify right side
   31,091.82x = 727,039,273.78
5. Step 5: Solve for x
   x = 727,039,273.78/31,091.82
6. Step 6: Final answer
   x = 23,383.62