Finding the Fourth Proportional to 2,417.33, 3,336.35 and 1,422.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,417.33 : 3,336.35 = 1,422.55 : x
2. Step 2: Convert to fraction form
   2,417.33/3,336.35 = 1,422.55/x
3. Step 3: Cross multiply
   2,417.33x = 3,336.35 × 1,422.55
4. Step 4: Simplify right side
   2,417.33x = 4,746,124.69
5. Step 5: Solve for x
   x = 4,746,124.69/2,417.33
6. Step 6: Final answer
   x = 1,963.37