Finding the Fourth Proportional to 2,201.37, 3,300.03 and 814.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,201.37 : 3,300.03 = 814.38 : x
2. Step 2: Convert to fraction form
   2,201.37/3,300.03 = 814.38/x
3. Step 3: Cross multiply
   2,201.37x = 3,300.03 × 814.38
4. Step 4: Simplify right side
   2,201.37x = 2,687,478.43
5. Step 5: Solve for x
   x = 2,687,478.43/2,201.37
6. Step 6: Final answer
   x = 1,220.82