Finding the Fourth Proportional to 23,022.73, 31,769.59 and 12,949.17

Step by Step Solution

1. Step 1: Write the proportion equation
   23,022.73 : 31,769.59 = 12,949.17 : x
2. Step 2: Convert to fraction form
   23,022.73/31,769.59 = 12,949.17/x
3. Step 3: Cross multiply
   23,022.73x = 31,769.59 × 12,949.17
4. Step 4: Simplify right side
   23,022.73x = 411,389,730.93
5. Step 5: Solve for x
   x = 411,389,730.93/23,022.73
6. Step 6: Final answer
   x = 17,868.85