Finding the Fourth Proportional to 16,673.67, 23,018.02 and 12,888.27

Step by Step Solution

1. Step 1: Write the proportion equation
   16,673.67 : 23,018.02 = 12,888.27 : x
2. Step 2: Convert to fraction form
   16,673.67/23,018.02 = 12,888.27/x
3. Step 3: Cross multiply
   16,673.67x = 23,018.02 × 12,888.27
4. Step 4: Simplify right side
   16,673.67x = 296,662,424.40
5. Step 5: Solve for x
   x = 296,662,424.40/16,673.67
6. Step 6: Final answer
   x = 17,792.27