Finding the Fourth Proportional to 2,200.50, 3,302.08 and 814.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.50 : 3,302.08 = 814.82 : x
2. Step 2: Convert to fraction form
   2,200.50/3,302.08 = 814.82/x
3. Step 3: Cross multiply
   2,200.50x = 3,302.08 × 814.82
4. Step 4: Simplify right side
   2,200.50x = 2,690,582.28
5. Step 5: Solve for x
   x = 2,690,582.28/2,200.50
6. Step 6: Final answer
   x = 1,222.71