Finding the Fourth Proportional to 12,202.83, 16,796.57 and 8,659.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,202.83 : 16,796.57 = 8,659.89 : x
2. Step 2: Convert to fraction form
   12,202.83/16,796.57 = 8,659.89/x
3. Step 3: Cross multiply
   12,202.83x = 16,796.57 × 8,659.89
4. Step 4: Simplify right side
   12,202.83x = 145,456,405.28
5. Step 5: Solve for x
   x = 145,456,405.28/12,202.83
6. Step 6: Final answer
   x = 11,919.89