Finding the Fourth Proportional to 2,417.60, 3,335.50 and 1,423.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,417.60 : 3,335.50 = 1,423.22 : x
2. Step 2: Convert to fraction form
   2,417.60/3,335.50 = 1,423.22/x
3. Step 3: Cross multiply
   2,417.60x = 3,335.50 × 1,423.22
4. Step 4: Simplify right side
   2,417.60x = 4,747,150.31
5. Step 5: Solve for x
   x = 4,747,150.31/2,417.60
6. Step 6: Final answer
   x = 1,963.58