Finding the Fourth Proportional to 2,222.72, 3,330.90 and 1,633.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.72 : 3,330.90 = 1,633.09 : x
2. Step 2: Convert to fraction form
   2,222.72/3,330.90 = 1,633.09/x
3. Step 3: Cross multiply
   2,222.72x = 3,330.90 × 1,633.09
4. Step 4: Simplify right side
   2,222.72x = 5,439,659.48
5. Step 5: Solve for x
   x = 5,439,659.48/2,222.72
6. Step 6: Final answer
   x = 2,447.30