Finding the Fourth Proportional to 2,221.33, 3,329.94 and 835.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,221.33 : 3,329.94 = 835.59 : x
2. Step 2: Convert to fraction form
   2,221.33/3,329.94 = 835.59/x
3. Step 3: Cross multiply
   2,221.33x = 3,329.94 × 835.59
4. Step 4: Simplify right side
   2,221.33x = 2,782,462.03
5. Step 5: Solve for x
   x = 2,782,462.03/2,221.33
6. Step 6: Final answer
   x = 1,252.61