Finding the Fourth Proportional to 3,613.33, 5,417.97 and 1,422.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,613.33 : 5,417.97 = 1,422.55 : x
2. Step 2: Convert to fraction form
   3,613.33/5,417.97 = 1,422.55/x
3. Step 3: Cross multiply
   3,613.33x = 5,417.97 × 1,422.55
4. Step 4: Simplify right side
   3,613.33x = 7,707,333.22
5. Step 5: Solve for x
   x = 7,707,333.22/3,613.33
6. Step 6: Final answer
   x = 2,133.03