Finding the Fourth Proportional to 3,679.67, 5,078.06 and 2,001.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,679.67 : 5,078.06 = 2,001.15 : x
2. Step 2: Convert to fraction form
   3,679.67/5,078.06 = 2,001.15/x
3. Step 3: Cross multiply
   3,679.67x = 5,078.06 × 2,001.15
4. Step 4: Simplify right side
   3,679.67x = 10,161,957.27
5. Step 5: Solve for x
   x = 10,161,957.27/3,679.67
6. Step 6: Final answer
   x = 2,761.65