Finding the Fourth Proportional to 31,091.32, 42,906.32 and 16,944.46

Step by Step Solution

1. Step 1: Write the proportion equation
   31,091.32 : 42,906.32 = 16,944.46 : x
2. Step 2: Convert to fraction form
   31,091.32/42,906.32 = 16,944.46/x
3. Step 3: Cross multiply
   31,091.32x = 42,906.32 × 16,944.46
4. Step 4: Simplify right side
   31,091.32x = 727,024,422.99
5. Step 5: Solve for x
   x = 727,024,422.99/31,091.32
6. Step 6: Final answer
   x = 23,383.52