Finding the Fourth Proportional to 2,636.79, 3,638.49 and 1,517.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,636.79 : 3,638.49 = 1,517.51 : x
2. Step 2: Convert to fraction form
   2,636.79/3,638.49 = 1,517.51/x
3. Step 3: Cross multiply
   2,636.79x = 3,638.49 × 1,517.51
4. Step 4: Simplify right side
   2,636.79x = 5,521,436.43
5. Step 5: Solve for x
   x = 5,521,436.43/2,636.79
6. Step 6: Final answer
   x = 2,094.00