Finding the Fourth Proportional to 5,786.76, 8,680.06 and 1,404.26

Step by Step Solution

1. Step 1: Write the proportion equation
   5,786.76 : 8,680.06 = 1,404.26 : x
2. Step 2: Convert to fraction form
   5,786.76/8,680.06 = 1,404.26/x
3. Step 3: Cross multiply
   5,786.76x = 8,680.06 × 1,404.26
4. Step 4: Simplify right side
   5,786.76x = 12,189,061.06
5. Step 5: Solve for x
   x = 12,189,061.06/5,786.76
6. Step 6: Final answer
   x = 2,106.37