Finding the Fourth Proportional to 17,933.72, 24,727.40 and 12,271.21

Step by Step Solution

1. Step 1: Write the proportion equation
   17,933.72 : 24,727.40 = 12,271.21 : x
2. Step 2: Convert to fraction form
   17,933.72/24,727.40 = 12,271.21/x
3. Step 3: Cross multiply
   17,933.72x = 24,727.40 × 12,271.21
4. Step 4: Simplify right side
   17,933.72x = 303,434,994.98
5. Step 5: Solve for x
   x = 303,434,994.98/17,933.72
6. Step 6: Final answer
   x = 16,919.81