Finding the Fourth Proportional to 8,868.64, 12,149.98 and 8,536.27

Step by Step Solution

1. Step 1: Write the proportion equation
   8,868.64 : 12,149.98 = 8,536.27 : x
2. Step 2: Convert to fraction form
   8,868.64/12,149.98 = 8,536.27/x
3. Step 3: Cross multiply
   8,868.64x = 12,149.98 × 8,536.27
4. Step 4: Simplify right side
   8,868.64x = 103,715,509.77
5. Step 5: Solve for x
   x = 103,715,509.77/8,868.64
6. Step 6: Final answer
   x = 11,694.64