Finding the Fourth Proportional to 8,483.48, 12,725.20 and 3,289.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,483.48 : 12,725.20 = 3,289.34 : x
2. Step 2: Convert to fraction form
   8,483.48/12,725.20 = 3,289.34/x
3. Step 3: Cross multiply
   8,483.48x = 12,725.20 × 3,289.34
4. Step 4: Simplify right side
   8,483.48x = 41,857,509.37
5. Step 5: Solve for x
   x = 41,857,509.37/8,483.48
6. Step 6: Final answer
   x = 4,934.00