Finding the Fourth Proportional to 2,684.34, 4,026.24 and 835.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,684.34 : 4,026.24 = 835.38 : x
2. Step 2: Convert to fraction form
   2,684.34/4,026.24 = 835.38/x
3. Step 3: Cross multiply
   2,684.34x = 4,026.24 × 835.38
4. Step 4: Simplify right side
   2,684.34x = 3,363,440.37
5. Step 5: Solve for x
   x = 3,363,440.37/2,684.34
6. Step 6: Final answer
   x = 1,252.99