Finding the Fourth Proportional to 16,160, 24,238.38 and 11,786

Step by Step Solution

1. Step 1: Write the proportion equation
   16,160 : 24,238.38 = 11,786 : x
2. Step 2: Convert to fraction form
   16,160/24,238.38 = 11,786/x
3. Step 3: Cross multiply
   16,160x = 24,238.38 × 11,786
4. Step 4: Simplify right side
   16,160x = 285,673,546.68
5. Step 5: Solve for x
   x = 285,673,546.68/16,160
6. Step 6: Final answer
   x = 17,677.82