Finding the Fourth Proportional to 3,087.27, 4,631.73 and 1,238.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,087.27 : 4,631.73 = 1,238.46 : x
2. Step 2: Convert to fraction form
   3,087.27/4,631.73 = 1,238.46/x
3. Step 3: Cross multiply
   3,087.27x = 4,631.73 × 1,238.46
4. Step 4: Simplify right side
   3,087.27x = 5,736,212.34
5. Step 5: Solve for x
   x = 5,736,212.34/3,087.27
6. Step 6: Final answer
   x = 1,858.02