Finding the Fourth Proportional to 12,016.68, 16,592.64 and 7,987.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,016.68 : 16,592.64 = 7,987.32 : x
2. Step 2: Convert to fraction form
   12,016.68/16,592.64 = 7,987.32/x
3. Step 3: Cross multiply
   12,016.68x = 16,592.64 × 7,987.32
4. Step 4: Simplify right side
   12,016.68x = 132,530,725.32
5. Step 5: Solve for x
   x = 132,530,725.32/12,016.68
6. Step 6: Final answer
   x = 11,028.90