Finding the Fourth Proportional to 2,418.85, 3,622.87 and 1,116.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,418.85 : 3,622.87 = 1,116.37 : x
2. Step 2: Convert to fraction form
   2,418.85/3,622.87 = 1,116.37/x
3. Step 3: Cross multiply
   2,418.85x = 3,622.87 × 1,116.37
4. Step 4: Simplify right side
   2,418.85x = 4,044,439.69
5. Step 5: Solve for x
   x = 4,044,439.69/2,418.85
6. Step 6: Final answer
   x = 1,672.05