Finding the Fourth Proportional to 16,410.42, 22,645.89 and 9,337.86

Step by Step Solution

1. Step 1: Write the proportion equation
   16,410.42 : 22,645.89 = 9,337.86 : x
2. Step 2: Convert to fraction form
   16,410.42/22,645.89 = 9,337.86/x
3. Step 3: Cross multiply
   16,410.42x = 22,645.89 × 9,337.86
4. Step 4: Simplify right side
   16,410.42x = 211,464,150.40
5. Step 5: Solve for x
   x = 211,464,150.40/16,410.42
6. Step 6: Final answer
   x = 12,885.97