Finding the Fourth Proportional to 16,788, 23,167.52 and 9,336

Step by Step Solution

1. Step 1: Write the proportion equation
   16,788 : 23,167.52 = 9,336 : x
2. Step 2: Convert to fraction form
   16,788/23,167.52 = 9,336/x
3. Step 3: Cross multiply
   16,788x = 23,167.52 × 9,336
4. Step 4: Simplify right side
   16,788x = 216,291,966.72
5. Step 5: Solve for x
   x = 216,291,966.72/16,788
6. Step 6: Final answer
   x = 12,883.72