Finding the Fourth Proportional to 16,477.50, 22,739.32 and 9,404.58

Step by Step Solution

1. Step 1: Write the proportion equation
   16,477.50 : 22,739.32 = 9,404.58 : x
2. Step 2: Convert to fraction form
   16,477.50/22,739.32 = 9,404.58/x
3. Step 3: Cross multiply
   16,477.50x = 22,739.32 × 9,404.58
4. Step 4: Simplify right side
   16,477.50x = 213,853,754.09
5. Step 5: Solve for x
   x = 213,853,754.09/16,477.50
6. Step 6: Final answer
   x = 12,978.53