Finding the Fourth Proportional to 2,076.84, 2,879.69 and 2,007.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076.84 : 2,879.69 = 2,007.45 : x
2. Step 2: Convert to fraction form
   2,076.84/2,879.69 = 2,007.45/x
3. Step 3: Cross multiply
   2,076.84x = 2,879.69 × 2,007.45
4. Step 4: Simplify right side
   2,076.84x = 5,780,823.65
5. Step 5: Solve for x
   x = 5,780,823.65/2,076.84
6. Step 6: Final answer
   x = 2,783.47