Finding the Fourth Proportional to 2,270, 3,405.82 and 1,116.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,270 : 3,405.82 = 1,116.56 : x
2. Step 2: Convert to fraction form
   2,270/3,405.82 = 1,116.56/x
3. Step 3: Cross multiply
   2,270x = 3,405.82 × 1,116.56
4. Step 4: Simplify right side
   2,270x = 3,802,802.38
5. Step 5: Solve for x
   x = 3,802,802.38/2,270
6. Step 6: Final answer
   x = 1,675.24