Finding the Fourth Proportional to 16,475.76, 22,738.17 and 9,403.24

Step by Step Solution

1. Step 1: Write the proportion equation
   16,475.76 : 22,738.17 = 9,403.24 : x
2. Step 2: Convert to fraction form
   16,475.76/22,738.17 = 9,403.24/x
3. Step 3: Cross multiply
   16,475.76x = 22,738.17 × 9,403.24
4. Step 4: Simplify right side
   16,475.76x = 213,812,469.67
5. Step 5: Solve for x
   x = 213,812,469.67/16,475.76
6. Step 6: Final answer
   x = 12,977.40