Finding the Fourth Proportional to 10,551.60, 15,815.52 and 8,096.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,551.60 : 15,815.52 = 8,096.76 : x
2. Step 2: Convert to fraction form
   10,551.60/15,815.52 = 8,096.76/x
3. Step 3: Cross multiply
   10,551.60x = 15,815.52 × 8,096.76
4. Step 4: Simplify right side
   10,551.60x = 128,054,469.72
5. Step 5: Solve for x
   x = 128,054,469.72/10,551.60
6. Step 6: Final answer
   x = 12,136.02