Finding the Fourth Proportional to 2,222.09, 3,338.60 and 1,672.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.09 : 3,338.60 = 1,672.61 : x
2. Step 2: Convert to fraction form
   2,222.09/3,338.60 = 1,672.61/x
3. Step 3: Cross multiply
   2,222.09x = 3,338.60 × 1,672.61
4. Step 4: Simplify right side
   2,222.09x = 5,584,160.10
5. Step 5: Solve for x
   x = 5,584,160.10/2,222.09
6. Step 6: Final answer
   x = 2,513.02