Finding the Fourth Proportional to 2,982.06, 4,116.40 and 2,238.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,982.06 : 4,116.40 = 2,238.18 : x
2. Step 2: Convert to fraction form
   2,982.06/4,116.40 = 2,238.18/x
3. Step 3: Cross multiply
   2,982.06x = 4,116.40 × 2,238.18
4. Step 4: Simplify right side
   2,982.06x = 9,213,223.57
5. Step 5: Solve for x
   x = 9,213,223.57/2,982.06
6. Step 6: Final answer
   x = 3,089.55