Finding the Fourth Proportional to 11,096.50, 16,656.15 and 8,657.98

Step by Step Solution

1. Step 1: Write the proportion equation
   11,096.50 : 16,656.15 = 8,657.98 : x
2. Step 2: Convert to fraction form
   11,096.50/16,656.15 = 8,657.98/x
3. Step 3: Cross multiply
   11,096.50x = 16,656.15 × 8,657.98
4. Step 4: Simplify right side
   11,096.50x = 144,208,613.58
5. Step 5: Solve for x
   x = 144,208,613.58/11,096.50
6. Step 6: Final answer
   x = 12,995.86