Finding the Fourth Proportional to 16,786.96, 23,157.30 and 10,069.36

Step by Step Solution

1. Step 1: Write the proportion equation
   16,786.96 : 23,157.30 = 10,069.36 : x
2. Step 2: Convert to fraction form
   16,786.96/23,157.30 = 10,069.36/x
3. Step 3: Cross multiply
   16,786.96x = 23,157.30 × 10,069.36
4. Step 4: Simplify right side
   16,786.96x = 233,179,190.33
5. Step 5: Solve for x
   x = 233,179,190.33/16,786.96
6. Step 6: Final answer
   x = 13,890.50