Finding the Fourth Proportional to 16,981.54, 23,435.69 and 9,812.73

Step by Step Solution

1. Step 1: Write the proportion equation
   16,981.54 : 23,435.69 = 9,812.73 : x
2. Step 2: Convert to fraction form
   16,981.54/23,435.69 = 9,812.73/x
3. Step 3: Cross multiply
   16,981.54x = 23,435.69 × 9,812.73
4. Step 4: Simplify right side
   16,981.54x = 229,968,098.33
5. Step 5: Solve for x
   x = 229,968,098.33/16,981.54
6. Step 6: Final answer
   x = 13,542.24