Finding the Fourth Proportional to 16,969.24, 23,419.74 and 9,518.68

Step by Step Solution

1. Step 1: Write the proportion equation
   16,969.24 : 23,419.74 = 9,518.68 : x
2. Step 2: Convert to fraction form
   16,969.24/23,419.74 = 9,518.68/x
3. Step 3: Cross multiply
   16,969.24x = 23,419.74 × 9,518.68
4. Step 4: Simplify right side
   16,969.24x = 222,925,010.74
5. Step 5: Solve for x
   x = 222,925,010.74/16,969.24
6. Step 6: Final answer
   x = 13,137.01