Finding the Fourth Proportional to 2,598.52, 3,896.78 and 842.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,598.52 : 3,896.78 = 842.92 : x
2. Step 2: Convert to fraction form
   2,598.52/3,896.78 = 842.92/x
3. Step 3: Cross multiply
   2,598.52x = 3,896.78 × 842.92
4. Step 4: Simplify right side
   2,598.52x = 3,284,673.80
5. Step 5: Solve for x
   x = 3,284,673.80/2,598.52
6. Step 6: Final answer
   x = 1,264.06