Finding the Fourth Proportional to 17,948.27, 24,768.24 and 9,990.02

Step by Step Solution

1. Step 1: Write the proportion equation
   17,948.27 : 24,768.24 = 9,990.02 : x
2. Step 2: Convert to fraction form
   17,948.27/24,768.24 = 9,990.02/x
3. Step 3: Cross multiply
   17,948.27x = 24,768.24 × 9,990.02
4. Step 4: Simplify right side
   17,948.27x = 247,435,212.96
5. Step 5: Solve for x
   x = 247,435,212.96/17,948.27
6. Step 6: Final answer
   x = 13,786.02