Finding the Fourth Proportional to 2,679.89, 4,019.76 and 2,537.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,679.89 : 4,019.76 = 2,537.73 : x
2. Step 2: Convert to fraction form
   2,679.89/4,019.76 = 2,537.73/x
3. Step 3: Cross multiply
   2,679.89x = 4,019.76 × 2,537.73
4. Step 4: Simplify right side
   2,679.89x = 10,201,065.54
5. Step 5: Solve for x
   x = 10,201,065.54/2,679.89
6. Step 6: Final answer
   x = 3,806.53