Finding the Fourth Proportional to 11,087.62, 16,592.52 and 8,606.62

Step by Step Solution

1. Step 1: Write the proportion equation
   11,087.62 : 16,592.52 = 8,606.62 : x
2. Step 2: Convert to fraction form
   11,087.62/16,592.52 = 8,606.62/x
3. Step 3: Cross multiply
   11,087.62x = 16,592.52 × 8,606.62
4. Step 4: Simplify right side
   11,087.62x = 142,805,514.48
5. Step 5: Solve for x
   x = 142,805,514.48/11,087.62
6. Step 6: Final answer
   x = 12,879.73