Finding the Fourth Proportional to 2,981.42, 4,450.25 and 2,761.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,981.42 : 4,450.25 = 2,761.50 : x
2. Step 2: Convert to fraction form
   2,981.42/4,450.25 = 2,761.50/x
3. Step 3: Cross multiply
   2,981.42x = 4,450.25 × 2,761.50
4. Step 4: Simplify right side
   2,981.42x = 12,289,351.57
5. Step 5: Solve for x
   x = 12,289,351.57/2,981.42
6. Step 6: Final answer
   x = 4,121.99