Finding the Fourth Proportional to 17,388.96, 23,995.28 and 9,936.80

Step by Step Solution

1. Step 1: Write the proportion equation
   17,388.96 : 23,995.28 = 9,936.80 : x
2. Step 2: Convert to fraction form
   17,388.96/23,995.28 = 9,936.80/x
3. Step 3: Cross multiply
   17,388.96x = 23,995.28 × 9,936.80
4. Step 4: Simplify right side
   17,388.96x = 238,436,298.30
5. Step 5: Solve for x
   x = 238,436,298.30/17,388.96
6. Step 6: Final answer
   x = 13,711.94