Finding the Fourth Proportional to 5,562.72, 7,665.12 and 4,564.80

Step by Step Solution

1. Step 1: Write the proportion equation
   5,562.72 : 7,665.12 = 4,564.80 : x
2. Step 2: Convert to fraction form
   5,562.72/7,665.12 = 4,564.80/x
3. Step 3: Cross multiply
   5,562.72x = 7,665.12 × 4,564.80
4. Step 4: Simplify right side
   5,562.72x = 34,989,739.78
5. Step 5: Solve for x
   x = 34,989,739.78/5,562.72
6. Step 6: Final answer
   x = 6,290.04