Finding the Fourth Proportional to 8,760.37, 13,132.74 and 3,212.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,760.37 : 13,132.74 = 3,212.42 : x
2. Step 2: Convert to fraction form
   8,760.37/13,132.74 = 3,212.42/x
3. Step 3: Cross multiply
   8,760.37x = 13,132.74 × 3,212.42
4. Step 4: Simplify right side
   8,760.37x = 42,187,798.92
5. Step 5: Solve for x
   x = 42,187,798.92/8,760.37
6. Step 6: Final answer
   x = 4,815.76