Finding the Fourth Proportional to 2,222.78, 3,330.99 and 1,633.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.78 : 3,330.99 = 1,633.16 : x
2. Step 2: Convert to fraction form
   2,222.78/3,330.99 = 1,633.16/x
3. Step 3: Cross multiply
   2,222.78x = 3,330.99 × 1,633.16
4. Step 4: Simplify right side
   2,222.78x = 5,440,047.96
5. Step 5: Solve for x
   x = 5,440,047.96/2,222.78
6. Step 6: Final answer
   x = 2,447.41