Finding the Fourth Proportional to 8,196.72, 12,278.64 and 3,808.08

Step by Step Solution

1. Step 1: Write the proportion equation
   8,196.72 : 12,278.64 = 3,808.08 : x
2. Step 2: Convert to fraction form
   8,196.72/12,278.64 = 3,808.08/x
3. Step 3: Cross multiply
   8,196.72x = 12,278.64 × 3,808.08
4. Step 4: Simplify right side
   8,196.72x = 46,758,043.41
5. Step 5: Solve for x
   x = 46,758,043.41/8,196.72
6. Step 6: Final answer
   x = 5,704.48