Finding the Fourth Proportional to 8,078.78, 12,096.30 and 5,476.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,078.78 : 12,096.30 = 5,476.52 : x
2. Step 2: Convert to fraction form
   8,078.78/12,096.30 = 5,476.52/x
3. Step 3: Cross multiply
   8,078.78x = 12,096.30 × 5,476.52
4. Step 4: Simplify right side
   8,078.78x = 66,245,628.88
5. Step 5: Solve for x
   x = 66,245,628.88/8,078.78
6. Step 6: Final answer
   x = 8,199.95