Finding the Fourth Proportional to 5,706.12, 8,559.72 and 1,811.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,706.12 : 8,559.72 = 1,811.10 : x
2. Step 2: Convert to fraction form
   5,706.12/8,559.72 = 1,811.10/x
3. Step 3: Cross multiply
   5,706.12x = 8,559.72 × 1,811.10
4. Step 4: Simplify right side
   5,706.12x = 15,502,508.89
5. Step 5: Solve for x
   x = 15,502,508.89/5,706.12
6. Step 6: Final answer
   x = 2,716.82