Finding the Fourth Proportional to 14,500.27, 21,756.55 and 8,656.88

Step by Step Solution

1. Step 1: Write the proportion equation
   14,500.27 : 21,756.55 = 8,656.88 : x
2. Step 2: Convert to fraction form
   14,500.27/21,756.55 = 8,656.88/x
3. Step 3: Cross multiply
   14,500.27x = 21,756.55 × 8,656.88
4. Step 4: Simplify right side
   14,500.27x = 188,343,728.37
5. Step 5: Solve for x
   x = 188,343,728.37/14,500.27
6. Step 6: Final answer
   x = 12,988.98