Finding the Fourth Proportional to 3,678.98, 5,076.89 and 2,000.39

Step by Step Solution

1. Step 1: Write the proportion equation
   3,678.98 : 5,076.89 = 2,000.39 : x
2. Step 2: Convert to fraction form
   3,678.98/5,076.89 = 2,000.39/x
3. Step 3: Cross multiply
   3,678.98x = 5,076.89 × 2,000.39
4. Step 4: Simplify right side
   3,678.98x = 10,155,762.68
5. Step 5: Solve for x
   x = 10,155,762.68/3,678.98
6. Step 6: Final answer
   x = 2,760.48