Finding the Fourth Proportional to 12,086.22, 16,665.48 and 7,604.49

Step by Step Solution

1. Step 1: Write the proportion equation
   12,086.22 : 16,665.48 = 7,604.49 : x
2. Step 2: Convert to fraction form
   12,086.22/16,665.48 = 7,604.49/x
3. Step 3: Cross multiply
   12,086.22x = 16,665.48 × 7,604.49
4. Step 4: Simplify right side
   12,086.22x = 126,732,476.01
5. Step 5: Solve for x
   x = 126,732,476.01/12,086.22
6. Step 6: Final answer
   x = 10,485.70