Finding the Fourth Proportional to 31,107.44, 42,927.72 and 16,960.29

Step by Step Solution

1. Step 1: Write the proportion equation
   31,107.44 : 42,927.72 = 16,960.29 : x
2. Step 2: Convert to fraction form
   31,107.44/42,927.72 = 16,960.29/x
3. Step 3: Cross multiply
   31,107.44x = 42,927.72 × 16,960.29
4. Step 4: Simplify right side
   31,107.44x = 728,066,451.06
5. Step 5: Solve for x
   x = 728,066,451.06/31,107.44
6. Step 6: Final answer
   x = 23,404.90