Finding the Fourth Proportional to 8,785.15, 13,179.49 and 3,238.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,785.15 : 13,179.49 = 3,238.52 : x
2. Step 2: Convert to fraction form
   8,785.15/13,179.49 = 3,238.52/x
3. Step 3: Cross multiply
   8,785.15x = 13,179.49 × 3,238.52
4. Step 4: Simplify right side
   8,785.15x = 42,682,025.76
5. Step 5: Solve for x
   x = 42,682,025.76/8,785.15
6. Step 6: Final answer
   x = 4,858.43