Finding the Fourth Proportional to 16,477.16, 22,733.22 and 9,403.88

Step by Step Solution

1. Step 1: Write the proportion equation
   16,477.16 : 22,733.22 = 9,403.88 : x
2. Step 2: Convert to fraction form
   16,477.16/22,733.22 = 9,403.88/x
3. Step 3: Cross multiply
   16,477.16x = 22,733.22 × 9,403.88
4. Step 4: Simplify right side
   16,477.16x = 213,780,472.89
5. Step 5: Solve for x
   x = 213,780,472.89/16,477.16
6. Step 6: Final answer
   x = 12,974.35