Finding the Fourth Proportional to 2,211.03, 3,314.79 and 1,116.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,211.03 : 3,314.79 = 1,116.18 : x
2. Step 2: Convert to fraction form
   2,211.03/3,314.79 = 1,116.18/x
3. Step 3: Cross multiply
   2,211.03x = 3,314.79 × 1,116.18
4. Step 4: Simplify right side
   2,211.03x = 3,699,902.30
5. Step 5: Solve for x
   x = 3,699,902.30/2,211.03
6. Step 6: Final answer
   x = 1,673.38