Finding the Fourth Proportional to 31,092.09, 42,906.92 and 16,944.81

Step by Step Solution

1. Step 1: Write the proportion equation
   31,092.09 : 42,906.92 = 16,944.81 : x
2. Step 2: Convert to fraction form
   31,092.09/42,906.92 = 16,944.81/x
3. Step 3: Cross multiply
   31,092.09x = 42,906.92 × 16,944.81
4. Step 4: Simplify right side
   31,092.09x = 727,049,457.46
5. Step 5: Solve for x
   x = 727,049,457.46/31,092.09
6. Step 6: Final answer
   x = 23,383.75