Finding the Fourth Proportional to 5,768.50, 8,640.51 and 5,566.42

Step by Step Solution

1. Step 1: Write the proportion equation
   5,768.50 : 8,640.51 = 5,566.42 : x
2. Step 2: Convert to fraction form
   5,768.50/8,640.51 = 5,566.42/x
3. Step 3: Cross multiply
   5,768.50x = 8,640.51 × 5,566.42
4. Step 4: Simplify right side
   5,768.50x = 48,096,707.67
5. Step 5: Solve for x
   x = 48,096,707.67/5,768.50
6. Step 6: Final answer
   x = 8,337.82