Finding the Fourth Proportional to 2,262.10, 3,390.22 and 1,222.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,262.10 : 3,390.22 = 1,222.54 : x
2. Step 2: Convert to fraction form
   2,262.10/3,390.22 = 1,222.54/x
3. Step 3: Cross multiply
   2,262.10x = 3,390.22 × 1,222.54
4. Step 4: Simplify right side
   2,262.10x = 4,144,679.56
5. Step 5: Solve for x
   x = 4,144,679.56/2,262.10
6. Step 6: Final answer
   x = 1,832.23