Finding the Fourth Proportional to 8,067.67, 12,096.80 and 3,131.54

Step by Step Solution

1. Step 1: Write the proportion equation
   8,067.67 : 12,096.80 = 3,131.54 : x
2. Step 2: Convert to fraction form
   8,067.67/12,096.80 = 3,131.54/x
3. Step 3: Cross multiply
   8,067.67x = 12,096.80 × 3,131.54
4. Step 4: Simplify right side
   8,067.67x = 37,881,599.91
5. Step 5: Solve for x
   x = 37,881,599.91/8,067.67
6. Step 6: Final answer
   x = 4,695.48