Finding the Fourth Proportional to 17,544.05, 24,210.81 and 9,990.38

Step by Step Solution

1. Step 1: Write the proportion equation
   17,544.05 : 24,210.81 = 9,990.38 : x
2. Step 2: Convert to fraction form
   17,544.05/24,210.81 = 9,990.38/x
3. Step 3: Cross multiply
   17,544.05x = 24,210.81 × 9,990.38
4. Step 4: Simplify right side
   17,544.05x = 241,875,192.01
5. Step 5: Solve for x
   x = 241,875,192.01/17,544.05
6. Step 6: Final answer
   x = 13,786.74