Finding the Fourth Proportional to 8,171.48, 12,246.29 and 4,662.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,171.48 : 12,246.29 = 4,662.56 : x
2. Step 2: Convert to fraction form
   8,171.48/12,246.29 = 4,662.56/x
3. Step 3: Cross multiply
   8,171.48x = 12,246.29 × 4,662.56
4. Step 4: Simplify right side
   8,171.48x = 57,099,086.69
5. Step 5: Solve for x
   x = 57,099,086.69/8,171.48
6. Step 6: Final answer
   x = 6,987.60