Finding the Fourth Proportional to 2,220.30, 3,310.31 and 2,162.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,220.30 : 3,310.31 = 2,162.59 : x
2. Step 2: Convert to fraction form
   2,220.30/3,310.31 = 2,162.59/x
3. Step 3: Cross multiply
   2,220.30x = 3,310.31 × 2,162.59
4. Step 4: Simplify right side
   2,220.30x = 7,158,843.30
5. Step 5: Solve for x
   x = 7,158,843.30/2,220.30
6. Step 6: Final answer
   x = 3,224.27