Finding the Fourth Proportional to 2,566.77, 3,850.35 and 1,105.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,566.77 : 3,850.35 = 1,105.56 : x
2. Step 2: Convert to fraction form
   2,566.77/3,850.35 = 1,105.56/x
3. Step 3: Cross multiply
   2,566.77x = 3,850.35 × 1,105.56
4. Step 4: Simplify right side
   2,566.77x = 4,256,792.95
5. Step 5: Solve for x
   x = 4,256,792.95/2,566.77
6. Step 6: Final answer
   x = 1,658.42