Finding the Fourth Proportional to 11,096.96, 16,656.88 and 8,658.48

Step by Step Solution

1. Step 1: Write the proportion equation
   11,096.96 : 16,656.88 = 8,658.48 : x
2. Step 2: Convert to fraction form
   11,096.96/16,656.88 = 8,658.48/x
3. Step 3: Cross multiply
   11,096.96x = 16,656.88 × 8,658.48
4. Step 4: Simplify right side
   11,096.96x = 144,223,262.34
5. Step 5: Solve for x
   x = 144,223,262.34/11,096.96
6. Step 6: Final answer
   x = 12,996.65