Finding the Fourth Proportional to 7,216.08, 10,822.88 and 2,020.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,216.08 : 10,822.88 = 2,020.72 : x
2. Step 2: Convert to fraction form
   7,216.08/10,822.88 = 2,020.72/x
3. Step 3: Cross multiply
   7,216.08x = 10,822.88 × 2,020.72
4. Step 4: Simplify right side
   7,216.08x = 21,870,010.07
5. Step 5: Solve for x
   x = 21,870,010.07/7,216.08
6. Step 6: Final answer
   x = 3,030.73