Finding the Fourth Proportional to 11,984.05, 16,538.72 and 6,606.49

Step by Step Solution

1. Step 1: Write the proportion equation
   11,984.05 : 16,538.72 = 6,606.49 : x
2. Step 2: Convert to fraction form
   11,984.05/16,538.72 = 6,606.49/x
3. Step 3: Cross multiply
   11,984.05x = 16,538.72 × 6,606.49
4. Step 4: Simplify right side
   11,984.05x = 109,262,826.28
5. Step 5: Solve for x
   x = 109,262,826.28/11,984.05
6. Step 6: Final answer
   x = 9,117.35