Finding the Fourth Proportional to 2,636.20, 3,638.02 and 1,517.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,636.20 : 3,638.02 = 1,517.50 : x
2. Step 2: Convert to fraction form
   2,636.20/3,638.02 = 1,517.50/x
3. Step 3: Cross multiply
   2,636.20x = 3,638.02 × 1,517.50
4. Step 4: Simplify right side
   2,636.20x = 5,520,695.35
5. Step 5: Solve for x
   x = 5,520,695.35/2,636.20
6. Step 6: Final answer
   x = 2,094.19