Finding the Fourth Proportional to 2,766.06, 3,816 and 1,981.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,766.06 : 3,816 = 1,981.17 : x
2. Step 2: Convert to fraction form
   2,766.06/3,816 = 1,981.17/x
3. Step 3: Cross multiply
   2,766.06x = 3,816 × 1,981.17
4. Step 4: Simplify right side
   2,766.06x = 7,560,144.72
5. Step 5: Solve for x
   x = 7,560,144.72/2,766.06
6. Step 6: Final answer
   x = 2,733.18