Finding the Fourth Proportional to 2,566.98, 3,851.15 and 1,105.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,566.98 : 3,851.15 = 1,105.79 : x
2. Step 2: Convert to fraction form
   2,566.98/3,851.15 = 1,105.79/x
3. Step 3: Cross multiply
   2,566.98x = 3,851.15 × 1,105.79
4. Step 4: Simplify right side
   2,566.98x = 4,258,538.37
5. Step 5: Solve for x
   x = 4,258,538.37/2,566.98
6. Step 6: Final answer
   x = 1,658.97