Finding the Fourth Proportional to 16,786.32, 25,175.76 and 10,188.84

Step by Step Solution

1. Step 1: Write the proportion equation
   16,786.32 : 25,175.76 = 10,188.84 : x
2. Step 2: Convert to fraction form
   16,786.32/25,175.76 = 10,188.84/x
3. Step 3: Cross multiply
   16,786.32x = 25,175.76 × 10,188.84
4. Step 4: Simplify right side
   16,786.32x = 256,511,790.52
5. Step 5: Solve for x
   x = 256,511,790.52/16,786.32
6. Step 6: Final answer
   x = 15,281.00