Finding the Fourth Proportional to 2,221.07, 3,064.82 and 1,226.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,221.07 : 3,064.82 = 1,226.25 : x
2. Step 2: Convert to fraction form
   2,221.07/3,064.82 = 1,226.25/x
3. Step 3: Cross multiply
   2,221.07x = 3,064.82 × 1,226.25
4. Step 4: Simplify right side
   2,221.07x = 3,758,229.39
5. Step 5: Solve for x
   x = 3,758,229.39/2,221.07
6. Step 6: Final answer
   x = 1,692.08