Finding the Fourth Proportional to 16,759.21, 23,127.78 and 9,205.69

Step by Step Solution

1. Step 1: Write the proportion equation
   16,759.21 : 23,127.78 = 9,205.69 : x
2. Step 2: Convert to fraction form
   16,759.21/23,127.78 = 9,205.69/x
3. Step 3: Cross multiply
   16,759.21x = 23,127.78 × 9,205.69
4. Step 4: Simplify right side
   16,759.21x = 212,907,174.55
5. Step 5: Solve for x
   x = 212,907,174.55/16,759.21
6. Step 6: Final answer
   x = 12,703.89