Finding the Fourth Proportional to 12,006.09, 16,558.83 and 7,528.41

Step by Step Solution

1. Step 1: Write the proportion equation
   12,006.09 : 16,558.83 = 7,528.41 : x
2. Step 2: Convert to fraction form
   12,006.09/16,558.83 = 7,528.41/x
3. Step 3: Cross multiply
   12,006.09x = 16,558.83 × 7,528.41
4. Step 4: Simplify right side
   12,006.09x = 124,661,661.36
5. Step 5: Solve for x
   x = 124,661,661.36/12,006.09
6. Step 6: Final answer
   x = 10,383.20