Finding the Fourth Proportional to 16,786.51, 23,165.43 and 9,233.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,786.51 : 23,165.43 = 9,233.30 : x
2. Step 2: Convert to fraction form
   16,786.51/23,165.43 = 9,233.30/x
3. Step 3: Cross multiply
   16,786.51x = 23,165.43 × 9,233.30
4. Step 4: Simplify right side
   16,786.51x = 213,893,364.82
5. Step 5: Solve for x
   x = 213,893,364.82/16,786.51
6. Step 6: Final answer
   x = 12,741.98