Finding the Fourth Proportional to 2,418.82, 3,628.55 and 1,186.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,418.82 : 3,628.55 = 1,186.27 : x
2. Step 2: Convert to fraction form
   2,418.82/3,628.55 = 1,186.27/x
3. Step 3: Cross multiply
   2,418.82x = 3,628.55 × 1,186.27
4. Step 4: Simplify right side
   2,418.82x = 4,304,440.01
5. Step 5: Solve for x
   x = 4,304,440.01/2,418.82
6. Step 6: Final answer
   x = 1,779.56