Finding the Fourth Proportional to 22,496.34, 31,046.16 and 12,936.11

Step by Step Solution

1. Step 1: Write the proportion equation
   22,496.34 : 31,046.16 = 12,936.11 : x
2. Step 2: Convert to fraction form
   22,496.34/31,046.16 = 12,936.11/x
3. Step 3: Cross multiply
   22,496.34x = 31,046.16 × 12,936.11
4. Step 4: Simplify right side
   22,496.34x = 401,616,463.22
5. Step 5: Solve for x
   x = 401,616,463.22/22,496.34
6. Step 6: Final answer
   x = 17,852.53