Finding the Fourth Proportional to 2,137.03, 3,204.59 and 838.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,137.03 : 3,204.59 = 838.15 : x
2. Step 2: Convert to fraction form
   2,137.03/3,204.59 = 838.15/x
3. Step 3: Cross multiply
   2,137.03x = 3,204.59 × 838.15
4. Step 4: Simplify right side
   2,137.03x = 2,685,922.92
5. Step 5: Solve for x
   x = 2,685,922.92/2,137.03
6. Step 6: Final answer
   x = 1,256.85