Finding the Fourth Proportional to 3,756.69, 5,184.21 and 2,078.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,756.69 : 5,184.21 = 2,078.10 : x
2. Step 2: Convert to fraction form
   3,756.69/5,184.21 = 2,078.10/x
3. Step 3: Cross multiply
   3,756.69x = 5,184.21 × 2,078.10
4. Step 4: Simplify right side
   3,756.69x = 10,773,306.80
5. Step 5: Solve for x
   x = 10,773,306.80/3,756.69
6. Step 6: Final answer
   x = 2,867.77