Finding the Fourth Proportional to 2,647.98, 3,981.69 and 2,541.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,647.98 : 3,981.69 = 2,541.06 : x
2. Step 2: Convert to fraction form
   2,647.98/3,981.69 = 2,541.06/x
3. Step 3: Cross multiply
   2,647.98x = 3,981.69 × 2,541.06
4. Step 4: Simplify right side
   2,647.98x = 10,117,713.19
5. Step 5: Solve for x
   x = 10,117,713.19/2,647.98
6. Step 6: Final answer
   x = 3,820.92