Finding the Fourth Proportional to 2,577.73, 3,867.27 and 1,116.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,577.73 : 3,867.27 = 1,116.54 : x
2. Step 2: Convert to fraction form
   2,577.73/3,867.27 = 1,116.54/x
3. Step 3: Cross multiply
   2,577.73x = 3,867.27 × 1,116.54
4. Step 4: Simplify right side
   2,577.73x = 4,317,961.65
5. Step 5: Solve for x
   x = 4,317,961.65/2,577.73
6. Step 6: Final answer
   x = 1,675.10