Finding the Fourth Proportional to 2,673.89, 4,011.25 and 825.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,673.89 : 4,011.25 = 825.32 : x
2. Step 2: Convert to fraction form
   2,673.89/4,011.25 = 825.32/x
3. Step 3: Cross multiply
   2,673.89x = 4,011.25 × 825.32
4. Step 4: Simplify right side
   2,673.89x = 3,310,572.81
5. Step 5: Solve for x
   x = 3,310,572.81/2,673.89
6. Step 6: Final answer
   x = 1,238.11