Finding the Fourth Proportional to 7,920.57, 10,927.72 and 4,563.30

Step by Step Solution

1. Step 1: Write the proportion equation
   7,920.57 : 10,927.72 = 4,563.30 : x
2. Step 2: Convert to fraction form
   7,920.57/10,927.72 = 4,563.30/x
3. Step 3: Cross multiply
   7,920.57x = 10,927.72 × 4,563.30
4. Step 4: Simplify right side
   7,920.57x = 49,866,453.27
5. Step 5: Solve for x
   x = 49,866,453.27/7,920.57
6. Step 6: Final answer
   x = 6,295.82