Finding the Fourth Proportional to 12,009.56, 16,573.46 and 7,533.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,009.56 : 16,573.46 = 7,533.50 : x
2. Step 2: Convert to fraction form
   12,009.56/16,573.46 = 7,533.50/x
3. Step 3: Cross multiply
   12,009.56x = 16,573.46 × 7,533.50
4. Step 4: Simplify right side
   12,009.56x = 124,856,040.38
5. Step 5: Solve for x
   x = 124,856,040.38/12,009.56
6. Step 6: Final answer
   x = 10,396.39