Finding the Fourth Proportional to 8,404.98, 12,606.59 and 3,725.07

Step by Step Solution

1. Step 1: Write the proportion equation
   8,404.98 : 12,606.59 = 3,725.07 : x
2. Step 2: Convert to fraction form
   8,404.98/12,606.59 = 3,725.07/x
3. Step 3: Cross multiply
   8,404.98x = 12,606.59 × 3,725.07
4. Step 4: Simplify right side
   8,404.98x = 46,960,411.59
5. Step 5: Solve for x
   x = 46,960,411.59/8,404.98
6. Step 6: Final answer
   x = 5,587.21