Finding the Fourth Proportional to 2,136.57, 3,205.88 and 1,162.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,136.57 : 3,205.88 = 1,162.67 : x
2. Step 2: Convert to fraction form
   2,136.57/3,205.88 = 1,162.67/x
3. Step 3: Cross multiply
   2,136.57x = 3,205.88 × 1,162.67
4. Step 4: Simplify right side
   2,136.57x = 3,727,380.50
5. Step 5: Solve for x
   x = 3,727,380.50/2,136.57
6. Step 6: Final answer
   x = 1,744.56