Finding the Fourth Proportional to 2,136.08, 3,205.20 and 1,162.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,136.08 : 3,205.20 = 1,162.28 : x
2. Step 2: Convert to fraction form
   2,136.08/3,205.20 = 1,162.28/x
3. Step 3: Cross multiply
   2,136.08x = 3,205.20 × 1,162.28
4. Step 4: Simplify right side
   2,136.08x = 3,725,339.86
5. Step 5: Solve for x
   x = 3,725,339.86/2,136.08
6. Step 6: Final answer
   x = 1,744.01