Finding the Fourth Proportional to 8,404.32, 12,609.32 and 3,725.49

Step by Step Solution

1. Step 1: Write the proportion equation
   8,404.32 : 12,609.32 = 3,725.49 : x
2. Step 2: Convert to fraction form
   8,404.32/12,609.32 = 3,725.49/x
3. Step 3: Cross multiply
   8,404.32x = 12,609.32 × 3,725.49
4. Step 4: Simplify right side
   8,404.32x = 46,975,945.18
5. Step 5: Solve for x
   x = 46,975,945.18/8,404.32
6. Step 6: Final answer
   x = 5,589.50