Finding the Fourth Proportional to 5,223.83, 7,835.69 and 1,328.22

Step by Step Solution

1. Step 1: Write the proportion equation
   5,223.83 : 7,835.69 = 1,328.22 : x
2. Step 2: Convert to fraction form
   5,223.83/7,835.69 = 1,328.22/x
3. Step 3: Cross multiply
   5,223.83x = 7,835.69 × 1,328.22
4. Step 4: Simplify right side
   5,223.83x = 10,407,523.49
5. Step 5: Solve for x
   x = 10,407,523.49/5,223.83
6. Step 6: Final answer
   x = 1,992.32