Finding the Fourth Proportional to 3,976.86, 5,964.83 and 1,784.40

Step by Step Solution

1. Step 1: Write the proportion equation
   3,976.86 : 5,964.83 = 1,784.40 : x
2. Step 2: Convert to fraction form
   3,976.86/5,964.83 = 1,784.40/x
3. Step 3: Cross multiply
   3,976.86x = 5,964.83 × 1,784.40
4. Step 4: Simplify right side
   3,976.86x = 10,643,642.65
5. Step 5: Solve for x
   x = 10,643,642.65/3,976.86
6. Step 6: Final answer
   x = 2,676.39