Finding the Fourth Proportional to 4,680.02, 7,022.06 and 2,216.59

Step by Step Solution

1. Step 1: Write the proportion equation
   4,680.02 : 7,022.06 = 2,216.59 : x
2. Step 2: Convert to fraction form
   4,680.02/7,022.06 = 2,216.59/x
3. Step 3: Cross multiply
   4,680.02x = 7,022.06 × 2,216.59
4. Step 4: Simplify right side
   4,680.02x = 15,564,981.78
5. Step 5: Solve for x
   x = 15,564,981.78/4,680.02
6. Step 6: Final answer
   x = 3,325.84