Finding the Fourth Proportional to 20,942.82, 31,362.03 and 14,673.42

Step by Step Solution

1. Step 1: Write the proportion equation
   20,942.82 : 31,362.03 = 14,673.42 : x
2. Step 2: Convert to fraction form
   20,942.82/31,362.03 = 14,673.42/x
3. Step 3: Cross multiply
   20,942.82x = 31,362.03 × 14,673.42
4. Step 4: Simplify right side
   20,942.82x = 460,188,238.24
5. Step 5: Solve for x
   x = 460,188,238.24/20,942.82
6. Step 6: Final answer
   x = 21,973.56