Finding the Fourth Proportional to 2,202.02, 3,300.17 and 1,680.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,202.02 : 3,300.17 = 1,680.09 : x
2. Step 2: Convert to fraction form
   2,202.02/3,300.17 = 1,680.09/x
3. Step 3: Cross multiply
   2,202.02x = 3,300.17 × 1,680.09
4. Step 4: Simplify right side
   2,202.02x = 5,544,586.82
5. Step 5: Solve for x
   x = 5,544,586.82/2,202.02
6. Step 6: Final answer
   x = 2,517.96