Finding the Fourth Proportional to 17,983.86, 24,803.73 and 12,321.96

Step by Step Solution

1. Step 1: Write the proportion equation
   17,983.86 : 24,803.73 = 12,321.96 : x
2. Step 2: Convert to fraction form
   17,983.86/24,803.73 = 12,321.96/x
3. Step 3: Cross multiply
   17,983.86x = 24,803.73 × 12,321.96
4. Step 4: Simplify right side
   17,983.86x = 305,630,568.91
5. Step 5: Solve for x
   x = 305,630,568.91/17,983.86
6. Step 6: Final answer
   x = 16,994.71