Finding the Fourth Proportional to 2,182.65, 3,011.94 and 1,238.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,182.65 : 3,011.94 = 1,238.49 : x
2. Step 2: Convert to fraction form
   2,182.65/3,011.94 = 1,238.49/x
3. Step 3: Cross multiply
   2,182.65x = 3,011.94 × 1,238.49
4. Step 4: Simplify right side
   2,182.65x = 3,730,257.57
5. Step 5: Solve for x
   x = 3,730,257.57/2,182.65
6. Step 6: Final answer
   x = 1,709.05