Finding the Fourth Proportional to 11,996.52, 16,532.28 and 8,633.40

Step by Step Solution

1. Step 1: Write the proportion equation
   11,996.52 : 16,532.28 = 8,633.40 : x
2. Step 2: Convert to fraction form
   11,996.52/16,532.28 = 8,633.40/x
3. Step 3: Cross multiply
   11,996.52x = 16,532.28 × 8,633.40
4. Step 4: Simplify right side
   11,996.52x = 142,729,786.15
5. Step 5: Solve for x
   x = 142,729,786.15/11,996.52
6. Step 6: Final answer
   x = 11,897.60