Finding the Fourth Proportional to 16,788.14, 23,167.59 and 9,620.38

Step by Step Solution

1. Step 1: Write the proportion equation
   16,788.14 : 23,167.59 = 9,620.38 : x
2. Step 2: Convert to fraction form
   16,788.14/23,167.59 = 9,620.38/x
3. Step 3: Cross multiply
   16,788.14x = 23,167.59 × 9,620.38
4. Step 4: Simplify right side
   16,788.14x = 222,881,019.48
5. Step 5: Solve for x
   x = 222,881,019.48/16,788.14
6. Step 6: Final answer
   x = 13,276.10