Finding the Fourth Proportional to 2,675.35, 4,012.38 and 825.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,675.35 : 4,012.38 = 825.43 : x
2. Step 2: Convert to fraction form
   2,675.35/4,012.38 = 825.43/x
3. Step 3: Cross multiply
   2,675.35x = 4,012.38 × 825.43
4. Step 4: Simplify right side
   2,675.35x = 3,311,938.82
5. Step 5: Solve for x
   x = 3,311,938.82/2,675.35
6. Step 6: Final answer
   x = 1,237.95