Finding the Fourth Proportional to 3,468.71, 4,786.80 and 1,976.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,468.71 : 4,786.80 = 1,976.69 : x
2. Step 2: Convert to fraction form
   3,468.71/4,786.80 = 1,976.69/x
3. Step 3: Cross multiply
   3,468.71x = 4,786.80 × 1,976.69
4. Step 4: Simplify right side
   3,468.71x = 9,462,019.69
5. Step 5: Solve for x
   x = 9,462,019.69/3,468.71
6. Step 6: Final answer
   x = 2,727.82