Finding the Fourth Proportional to 2,229.79, 3,077.77 and 1,443.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,229.79 : 3,077.77 = 1,443.89 : x
2. Step 2: Convert to fraction form
   2,229.79/3,077.77 = 1,443.89/x
3. Step 3: Cross multiply
   2,229.79x = 3,077.77 × 1,443.89
4. Step 4: Simplify right side
   2,229.79x = 4,443,961.33
5. Step 5: Solve for x
   x = 4,443,961.33/2,229.79
6. Step 6: Final answer
   x = 1,993.00