Finding the Fourth Proportional to 2,636.06, 3,638.32 and 1,517.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,636.06 : 3,638.32 = 1,517.78 : x
2. Step 2: Convert to fraction form
   2,636.06/3,638.32 = 1,517.78/x
3. Step 3: Cross multiply
   2,636.06x = 3,638.32 × 1,517.78
4. Step 4: Simplify right side
   2,636.06x = 5,522,169.33
5. Step 5: Solve for x
   x = 5,522,169.33/2,636.06
6. Step 6: Final answer
   x = 2,094.86