Finding the Fourth Proportional to 2,423.62, 3,339.93 and 1,636.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,423.62 : 3,339.93 = 1,636.30 : x
2. Step 2: Convert to fraction form
   2,423.62/3,339.93 = 1,636.30/x
3. Step 3: Cross multiply
   2,423.62x = 3,339.93 × 1,636.30
4. Step 4: Simplify right side
   2,423.62x = 5,465,127.46
5. Step 5: Solve for x
   x = 5,465,127.46/2,423.62
6. Step 6: Final answer
   x = 2,254.94