Finding the Fourth Proportional to 2,636.16, 3,957.12 and 1,098.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,636.16 : 3,957.12 = 1,098.24 : x
2. Step 2: Convert to fraction form
   2,636.16/3,957.12 = 1,098.24/x
3. Step 3: Cross multiply
   2,636.16x = 3,957.12 × 1,098.24
4. Step 4: Simplify right side
   2,636.16x = 4,345,867.47
5. Step 5: Solve for x
   x = 4,345,867.47/2,636.16
6. Step 6: Final answer
   x = 1,648.56