Finding the Fourth Proportional to 2,564.42, 3,847.35 and 833.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,564.42 : 3,847.35 = 833.54 : x
2. Step 2: Convert to fraction form
   2,564.42/3,847.35 = 833.54/x
3. Step 3: Cross multiply
   2,564.42x = 3,847.35 × 833.54
4. Step 4: Simplify right side
   2,564.42x = 3,206,920.12
5. Step 5: Solve for x
   x = 3,206,920.12/2,564.42
6. Step 6: Final answer
   x = 1,250.54