Finding the Fourth Proportional to 2,636.31, 3,638.33 and 1,517.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,636.31 : 3,638.33 = 1,517.61 : x
2. Step 2: Convert to fraction form
   2,636.31/3,638.33 = 1,517.61/x
3. Step 3: Cross multiply
   2,636.31x = 3,638.33 × 1,517.61
4. Step 4: Simplify right side
   2,636.31x = 5,521,565.99
5. Step 5: Solve for x
   x = 5,521,565.99/2,636.31
6. Step 6: Final answer
   x = 2,094.43