Finding the Fourth Proportional to 2,212.15, 3,052.21 and 1,425.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,212.15 : 3,052.21 = 1,425.25 : x
2. Step 2: Convert to fraction form
   2,212.15/3,052.21 = 1,425.25/x
3. Step 3: Cross multiply
   2,212.15x = 3,052.21 × 1,425.25
4. Step 4: Simplify right side
   2,212.15x = 4,350,162.30
5. Step 5: Solve for x
   x = 4,350,162.30/2,212.15
6. Step 6: Final answer
   x = 1,966.49