Finding the Fourth Proportional to 8,504.56, 12,756.86 and 2,661.18

Step by Step Solution

1. Step 1: Write the proportion equation
   8,504.56 : 12,756.86 = 2,661.18 : x
2. Step 2: Convert to fraction form
   8,504.56/12,756.86 = 2,661.18/x
3. Step 3: Cross multiply
   8,504.56x = 12,756.86 × 2,661.18
4. Step 4: Simplify right side
   8,504.56x = 33,948,300.69
5. Step 5: Solve for x
   x = 33,948,300.69/8,504.56
6. Step 6: Final answer
   x = 3,991.78