Finding the Fourth Proportional to 2,202.33, 3,300.60 and 1,680.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,202.33 : 3,300.60 = 1,680.42 : x
2. Step 2: Convert to fraction form
   2,202.33/3,300.60 = 1,680.42/x
3. Step 3: Cross multiply
   2,202.33x = 3,300.60 × 1,680.42
4. Step 4: Simplify right side
   2,202.33x = 5,546,394.25
5. Step 5: Solve for x
   x = 5,546,394.25/2,202.33
6. Step 6: Final answer
   x = 2,518.42