Finding the Fourth Proportional to 2,222.16, 3,330.84 and 1,672.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.16 : 3,330.84 = 1,672.68 : x
2. Step 2: Convert to fraction form
   2,222.16/3,330.84 = 1,672.68/x
3. Step 3: Cross multiply
   2,222.16x = 3,330.84 × 1,672.68
4. Step 4: Simplify right side
   2,222.16x = 5,571,429.45
5. Step 5: Solve for x
   x = 5,571,429.45/2,222.16
6. Step 6: Final answer
   x = 2,507.21