Finding the Fourth Proportional to 11,978.30, 16,530.27 and 6,673.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,978.30 : 16,530.27 = 6,673.52 : x
2. Step 2: Convert to fraction form
   11,978.30/16,530.27 = 6,673.52/x
3. Step 3: Cross multiply
   11,978.30x = 16,530.27 × 6,673.52
4. Step 4: Simplify right side
   11,978.30x = 110,315,087.45
5. Step 5: Solve for x
   x = 110,315,087.45/11,978.30
6. Step 6: Final answer
   x = 9,209.58