Finding the Fourth Proportional to 2,229.62, 3,342.06 and 1,613.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,229.62 : 3,342.06 = 1,613.03 : x
2. Step 2: Convert to fraction form
   2,229.62/3,342.06 = 1,613.03/x
3. Step 3: Cross multiply
   2,229.62x = 3,342.06 × 1,613.03
4. Step 4: Simplify right side
   2,229.62x = 5,390,843.04
5. Step 5: Solve for x
   x = 5,390,843.04/2,229.62
6. Step 6: Final answer
   x = 2,417.83