Finding the Fourth Proportional to 22,673.58, 31,283.73 and 13,236.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,673.58 : 31,283.73 = 13,236.72 : x
2. Step 2: Convert to fraction form
   22,673.58/31,283.73 = 13,236.72/x
3. Step 3: Cross multiply
   22,673.58x = 31,283.73 × 13,236.72
4. Step 4: Simplify right side
   22,673.58x = 414,093,974.57
5. Step 5: Solve for x
   x = 414,093,974.57/22,673.58
6. Step 6: Final answer
   x = 18,263.28