Finding the Fourth Proportional to 3,216.61, 4,825.59 and 1,136.67

Step by Step Solution

1. Step 1: Write the proportion equation
   3,216.61 : 4,825.59 = 1,136.67 : x
2. Step 2: Convert to fraction form
   3,216.61/4,825.59 = 1,136.67/x
3. Step 3: Cross multiply
   3,216.61x = 4,825.59 × 1,136.67
4. Step 4: Simplify right side
   3,216.61x = 5,485,103.39
5. Step 5: Solve for x
   x = 5,485,103.39/3,216.61
6. Step 6: Final answer
   x = 1,705.24