Finding the Fourth Proportional to 11,727.10, 17,586.60 and 3,404.86

Step by Step Solution

1. Step 1: Write the proportion equation
   11,727.10 : 17,586.60 = 3,404.86 : x
2. Step 2: Convert to fraction form
   11,727.10/17,586.60 = 3,404.86/x
3. Step 3: Cross multiply
   11,727.10x = 17,586.60 × 3,404.86
4. Step 4: Simplify right side
   11,727.10x = 59,879,910.88
5. Step 5: Solve for x
   x = 59,879,910.88/11,727.10
6. Step 6: Final answer
   x = 5,106.11