Finding the Fourth Proportional to 2,636.74, 3,638.86 and 1,517.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,636.74 : 3,638.86 = 1,517.65 : x
2. Step 2: Convert to fraction form
   2,636.74/3,638.86 = 1,517.65/x
3. Step 3: Cross multiply
   2,636.74x = 3,638.86 × 1,517.65
4. Step 4: Simplify right side
   2,636.74x = 5,522,515.88
5. Step 5: Solve for x
   x = 5,522,515.88/2,636.74
6. Step 6: Final answer
   x = 2,094.45