Finding the Fourth Proportional to 4,680.79, 7,024.52 and 2,216.16

Step by Step Solution

1. Step 1: Write the proportion equation
   4,680.79 : 7,024.52 = 2,216.16 : x
2. Step 2: Convert to fraction form
   4,680.79/7,024.52 = 2,216.16/x
3. Step 3: Cross multiply
   4,680.79x = 7,024.52 × 2,216.16
4. Step 4: Simplify right side
   4,680.79x = 15,567,465.78
5. Step 5: Solve for x
   x = 15,567,465.78/4,680.79
6. Step 6: Final answer
   x = 3,325.82