Finding the Fourth Proportional to 3,981.42, 5,496.15 and 2,724.51

Step by Step Solution

1. Step 1: Write the proportion equation
   3,981.42 : 5,496.15 = 2,724.51 : x
2. Step 2: Convert to fraction form
   3,981.42/5,496.15 = 2,724.51/x
3. Step 3: Cross multiply
   3,981.42x = 5,496.15 × 2,724.51
4. Step 4: Simplify right side
   3,981.42x = 14,974,315.64
5. Step 5: Solve for x
   x = 14,974,315.64/3,981.42
6. Step 6: Final answer
   x = 3,761.05