Finding the Fourth Proportional to 2,423.56, 3,340.56 and 1,636.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,423.56 : 3,340.56 = 1,636.24 : x
2. Step 2: Convert to fraction form
   2,423.56/3,340.56 = 1,636.24/x
3. Step 3: Cross multiply
   2,423.56x = 3,340.56 × 1,636.24
4. Step 4: Simplify right side
   2,423.56x = 5,465,957.89
5. Step 5: Solve for x
   x = 5,465,957.89/2,423.56
6. Step 6: Final answer
   x = 2,255.34