Finding the Fourth Proportional to 2,231.82, 3,350.81 and 1,136.95

Step by Step Solution

1. Step 1: Write the proportion equation
   2,231.82 : 3,350.81 = 1,136.95 : x
2. Step 2: Convert to fraction form
   2,231.82/3,350.81 = 1,136.95/x
3. Step 3: Cross multiply
   2,231.82x = 3,350.81 × 1,136.95
4. Step 4: Simplify right side
   2,231.82x = 3,809,697.89
5. Step 5: Solve for x
   x = 3,809,697.89/2,231.82
6. Step 6: Final answer
   x = 1,706.99