Finding the Fourth Proportional to 12,003.08, 16,566.24 and 9,165.80

Step by Step Solution

1. Step 1: Write the proportion equation
   12,003.08 : 16,566.24 = 9,165.80 : x
2. Step 2: Convert to fraction form
   12,003.08/16,566.24 = 9,165.80/x
3. Step 3: Cross multiply
   12,003.08x = 16,566.24 × 9,165.80
4. Step 4: Simplify right side
   12,003.08x = 151,842,842.59
5. Step 5: Solve for x
   x = 151,842,842.59/12,003.08
6. Step 6: Final answer
   x = 12,650.32