Finding the Fourth Proportional to 2,636.49, 3,639.06 and 1,517.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,636.49 : 3,639.06 = 1,517.55 : x
2. Step 2: Convert to fraction form
   2,636.49/3,639.06 = 1,517.55/x
3. Step 3: Cross multiply
   2,636.49x = 3,639.06 × 1,517.55
4. Step 4: Simplify right side
   2,636.49x = 5,522,455.50
5. Step 5: Solve for x
   x = 5,522,455.50/2,636.49
6. Step 6: Final answer
   x = 2,094.62