Finding the Fourth Proportional to 2,205.98, 3,311.13 and 1,052.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,205.98 : 3,311.13 = 1,052.54 : x
2. Step 2: Convert to fraction form
   2,205.98/3,311.13 = 1,052.54/x
3. Step 3: Cross multiply
   2,205.98x = 3,311.13 × 1,052.54
4. Step 4: Simplify right side
   2,205.98x = 3,485,096.77
5. Step 5: Solve for x
   x = 3,485,096.77/2,205.98
6. Step 6: Final answer
   x = 1,579.84