Finding the Fourth Proportional to 2,636.85, 3,638.62 and 1,517.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,636.85 : 3,638.62 = 1,517.69 : x
2. Step 2: Convert to fraction form
   2,636.85/3,638.62 = 1,517.69/x
3. Step 3: Cross multiply
   2,636.85x = 3,638.62 × 1,517.69
4. Step 4: Simplify right side
   2,636.85x = 5,522,287.71
5. Step 5: Solve for x
   x = 5,522,287.71/2,636.85
6. Step 6: Final answer
   x = 2,094.27