Finding the Fourth Proportional to 16,993.47, 23,449.26 and 9,923.99

Step by Step Solution

1. Step 1: Write the proportion equation
   16,993.47 : 23,449.26 = 9,923.99 : x
2. Step 2: Convert to fraction form
   16,993.47/23,449.26 = 9,923.99/x
3. Step 3: Cross multiply
   16,993.47x = 23,449.26 × 9,923.99
4. Step 4: Simplify right side
   16,993.47x = 232,710,104.50
5. Step 5: Solve for x
   x = 232,710,104.50/16,993.47
6. Step 6: Final answer
   x = 13,694.09