Finding the Fourth Proportional to 10,886.00, 16,335.69 and 8,651.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,886.00 : 16,335.69 = 8,651.62 : x
2. Step 2: Convert to fraction form
   10,886.00/16,335.69 = 8,651.62/x
3. Step 3: Cross multiply
   10,886.00x = 16,335.69 × 8,651.62
4. Step 4: Simplify right side
   10,886.00x = 141,330,141.48
5. Step 5: Solve for x
   x = 141,330,141.48/10,886.00
6. Step 6: Final answer
   x = 12,982.74