Finding the Fourth Proportional to 16,486.02, 22,754.83 and 9,416.54

Step by Step Solution

1. Step 1: Write the proportion equation
   16,486.02 : 22,754.83 = 9,416.54 : x
2. Step 2: Convert to fraction form
   16,486.02/22,754.83 = 9,416.54/x
3. Step 3: Cross multiply
   16,486.02x = 22,754.83 × 9,416.54
4. Step 4: Simplify right side
   16,486.02x = 214,271,766.89
5. Step 5: Solve for x
   x = 214,271,766.89/16,486.02
6. Step 6: Final answer
   x = 12,997.18