Finding the Fourth Proportional to 8,785.59, 13,180.15 and 3,238.96

Step by Step Solution

1. Step 1: Write the proportion equation
   8,785.59 : 13,180.15 = 3,238.96 : x
2. Step 2: Convert to fraction form
   8,785.59/13,180.15 = 3,238.96/x
3. Step 3: Cross multiply
   8,785.59x = 13,180.15 × 3,238.96
4. Step 4: Simplify right side
   8,785.59x = 42,689,896.55
5. Step 5: Solve for x
   x = 42,689,896.55/8,785.59
6. Step 6: Final answer
   x = 4,859.08