Finding the Fourth Proportional to 16,493.70, 22,761 and 9,419.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,493.70 : 22,761 = 9,419.16 : x
2. Step 2: Convert to fraction form
   16,493.70/22,761 = 9,419.16/x
3. Step 3: Cross multiply
   16,493.70x = 22,761 × 9,419.16
4. Step 4: Simplify right side
   16,493.70x = 214,389,500.76
5. Step 5: Solve for x
   x = 214,389,500.76/16,493.70
6. Step 6: Final answer
   x = 12,998.27