Finding the Fourth Proportional to 5,688.72, 8,530.84 and 2,766.16

Step by Step Solution

1. Step 1: Write the proportion equation
   5,688.72 : 8,530.84 = 2,766.16 : x
2. Step 2: Convert to fraction form
   5,688.72/8,530.84 = 2,766.16/x
3. Step 3: Cross multiply
   5,688.72x = 8,530.84 × 2,766.16
4. Step 4: Simplify right side
   5,688.72x = 23,597,668.37
5. Step 5: Solve for x
   x = 23,597,668.37/5,688.72
6. Step 6: Final answer
   x = 4,148.15