Finding the Fourth Proportional to 12,182.05, 16,814.82 and 7,147.36

Step by Step Solution

1. Step 1: Write the proportion equation
   12,182.05 : 16,814.82 = 7,147.36 : x
2. Step 2: Convert to fraction form
   12,182.05/16,814.82 = 7,147.36/x
3. Step 3: Cross multiply
   12,182.05x = 16,814.82 × 7,147.36
4. Step 4: Simplify right side
   12,182.05x = 120,181,571.88
5. Step 5: Solve for x
   x = 120,181,571.88/12,182.05
6. Step 6: Final answer
   x = 9,865.46