Finding the Fourth Proportional to 8,783.56, 13,180.52 and 3,240.77

Step by Step Solution

1. Step 1: Write the proportion equation
   8,783.56 : 13,180.52 = 3,240.77 : x
2. Step 2: Convert to fraction form
   8,783.56/13,180.52 = 3,240.77/x
3. Step 3: Cross multiply
   8,783.56x = 13,180.52 × 3,240.77
4. Step 4: Simplify right side
   8,783.56x = 42,715,033.80
5. Step 5: Solve for x
   x = 42,715,033.80/8,783.56
6. Step 6: Final answer
   x = 4,863.07