Finding the Fourth Proportional to 16,693.69, 23,035.98 and 9,620.68

Step by Step Solution

1. Step 1: Write the proportion equation
   16,693.69 : 23,035.98 = 9,620.68 : x
2. Step 2: Convert to fraction form
   16,693.69/23,035.98 = 9,620.68/x
3. Step 3: Cross multiply
   16,693.69x = 23,035.98 × 9,620.68
4. Step 4: Simplify right side
   16,693.69x = 221,621,792.07
5. Step 5: Solve for x
   x = 221,621,792.07/16,693.69
6. Step 6: Final answer
   x = 13,275.78