Finding the Fourth Proportional to 2,221.53, 3,064.73 and 1,425.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,221.53 : 3,064.73 = 1,425.12 : x
2. Step 2: Convert to fraction form
   2,221.53/3,064.73 = 1,425.12/x
3. Step 3: Cross multiply
   2,221.53x = 3,064.73 × 1,425.12
4. Step 4: Simplify right side
   2,221.53x = 4,367,600.89
5. Step 5: Solve for x
   x = 4,367,600.89/2,221.53
6. Step 6: Final answer
   x = 1,966.03