Finding the Fourth Proportional to 2,087.53, 3,131.39 and 1,162.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,087.53 : 3,131.39 = 1,162.39 : x
2. Step 2: Convert to fraction form
   2,087.53/3,131.39 = 1,162.39/x
3. Step 3: Cross multiply
   2,087.53x = 3,131.39 × 1,162.39
4. Step 4: Simplify right side
   2,087.53x = 3,639,896.42
5. Step 5: Solve for x
   x = 3,639,896.42/2,087.53
6. Step 6: Final answer
   x = 1,743.64