Finding the Fourth Proportional to 2,629.91, 3,630.96 and 1,636.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,629.91 : 3,630.96 = 1,636.54 : x
2. Step 2: Convert to fraction form
   2,629.91/3,630.96 = 1,636.54/x
3. Step 3: Cross multiply
   2,629.91x = 3,630.96 × 1,636.54
4. Step 4: Simplify right side
   2,629.91x = 5,942,211.28
5. Step 5: Solve for x
   x = 5,942,211.28/2,629.91
6. Step 6: Final answer
   x = 2,259.47